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		<updated>2026-06-25T16:33:46Z</updated>
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	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2498:_Forest_Walk&amp;diff=216054</id>
		<title>2498: Forest Walk</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2498:_Forest_Walk&amp;diff=216054"/>
				<updated>2021-08-05T02:43:47Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.216.224: /* Transcript */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 2498&lt;br /&gt;
| date      = August 4, 2021&lt;br /&gt;
| title     = Forest Walk&lt;br /&gt;
| image     = forest_walk.png&lt;br /&gt;
| titletext = The only other person to walk by was a linguist back in the 80s, but she just spent a while dissecting the phrase 'help me down' before getting distracted by a squirrel and wandering off.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete|Created by D. B. COOPER. The explanation doesn't exist. We need to add the explanation for the main comic and the title text. Do NOT delete this tag too soon.}}&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
{{incomplete transcript|Do NOT delete this tag too soon.}}&lt;br /&gt;
[Megan and Beret Guy are walking in a forest.]&lt;br /&gt;
&lt;br /&gt;
Megan: Wow, this is all yours?&lt;br /&gt;
&lt;br /&gt;
Beret Guy: Yeah! All the way back to the river!&lt;br /&gt;
&lt;br /&gt;
Beret Guy: I walk here every day.&lt;br /&gt;
&lt;br /&gt;
[The two stop as they come across a tree, with D.B Cooper stuck atop a branch. He is holding a long stick of some sort, seemingly attempting to threaten Beret Guy.]&lt;br /&gt;
&lt;br /&gt;
Beret Guy: Morning, mister Cooper!&lt;br /&gt;
&lt;br /&gt;
D.B Cooper: You help me down ''this instant!''&lt;br /&gt;
&lt;br /&gt;
Beret Guy: Do you promise to give back all the money you took?&lt;br /&gt;
&lt;br /&gt;
Cooper, offscreen: ''Never!''&lt;br /&gt;
&lt;br /&gt;
Beret Guy: Okay! See you tomorrow!&lt;br /&gt;
&lt;br /&gt;
[Megan and Beret Guy continue walking.]&lt;br /&gt;
&lt;br /&gt;
Megan: Was that D.B Cooper?&lt;br /&gt;
&lt;br /&gt;
Beret Guy: Yeah, and up ahead there's an owl nest!&lt;br /&gt;
&lt;br /&gt;
Beret Guy: There's so much neat stuff here.&lt;br /&gt;
{{comic discussion}}&lt;/div&gt;</summary>
		<author><name>108.162.216.224</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1293:_Job_Interview&amp;diff=215610</id>
		<title>1293: Job Interview</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1293:_Job_Interview&amp;diff=215610"/>
				<updated>2021-07-27T01:24:27Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.216.224: /* Explanation */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1293&lt;br /&gt;
| date      = November 20, 2013&lt;br /&gt;
| title     = Job Interview&lt;br /&gt;
| image     = job_interview.png&lt;br /&gt;
| titletext = When you talk about the job experience you'll give me, why do you pronounce 'job' with a long 'o'?&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
Following on from [[1032: Networking|his attempts at networking]], [[Beret Guy]], the oddball of the xkcd cast, conducts an interview for a programmer position at his mysteriously successful company.&lt;br /&gt;
&lt;br /&gt;
Much like most of Beret Guy's interactions with people, Beret Guy is cheerful and upbeat, yet indicates that he has at best a scrambled understanding of how people in this situation normally act. Because of this, the job interview becomes increasingly bizarre, starting with Beret Guy's assertion that the company headquarters is a &amp;quot;real building [he] found&amp;quot;, implying that the building's reality might be in question. In addition, &amp;quot;finding&amp;quot; the building may imply that he does not own or rent it, but simply found it empty and moved in. He says his company makes phone accessories, but then adds, &amp;quot;like apps and stickers,&amp;quot; two wildly different products in terms of both production and profitability. He is strangely vague about both the position (&amp;quot;someone to write on our computers&amp;quot;) and the salary (&amp;quot;a bunch of paychecks&amp;quot;). Then he mentions ghosts, which is either a powerful disincentive from joining the company, yet another sign that Beret Guy is mentally unsound, or both.&lt;br /&gt;
&lt;br /&gt;
The strip finishes with Beret Guy plugging a cord into an electrical outlet clumsily labeled &amp;quot;Soup,&amp;quot; which then, implausibly, actually starts dispensing soup. Most electrical outlets do not function like this.{{Citation needed}} However, this is a typical behaviour of Beret Guy - see a similar example in: [[1395: Power Cord]].&lt;br /&gt;
&lt;br /&gt;
The title text makes reference to the biblical story of {{w|Job (biblical figure)|Job}} (pronounced with a long O to rhyme with globe), who was put through many horrendous ordeals to test his faith in God. This suggests that the interviewee will be taking on not a &amp;quot;job experience&amp;quot; but rather a &amp;quot;Job experience&amp;quot; (i.e. the job will be a horrendous ordeal).&lt;br /&gt;
&lt;br /&gt;
Other job interviews were portrayed in [[125: Marketing Interview]], [[1088: Five Years]], [[1094: Interview]], and [[1545: Strengths and Weaknesses]].&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[Beret Guy walks in, followed by a...'prospective hire'.]&lt;br /&gt;
:Beret Guy: Welcome to our company! We're headquartered here, in this real building I found!&lt;br /&gt;
&lt;br /&gt;
:[Both people sit down at a table. The 'hire' has a tray with food and a beverage. Beret Guy has a bowl. In the adjacent wall, there is a power outlet with a paper label taped to it marked &amp;quot;Soup&amp;quot;. A small roll of wire sits next to Beret Guy's chair.]&lt;br /&gt;
:'Hire': What do you.. ''do''?&lt;br /&gt;
:Beret Guy: We make stuff for phones! Like apps and stickers.&lt;br /&gt;
&lt;br /&gt;
:[Beret Guy grabs the roll of wire.]&lt;br /&gt;
:Beret Guy: We want to hire you to write on our computers. We can offer you a bunch of paychecks! &amp;lt;small&amp;gt;There are ghosts here.&amp;lt;/small&amp;gt;&lt;br /&gt;
&lt;br /&gt;
:[Beret Guy unrolls the wire and plugs it into the wall.]&lt;br /&gt;
:'Hire': ...Are you sure this is a company?&lt;br /&gt;
:Beret Guy: I hope so!&lt;br /&gt;
&lt;br /&gt;
:[Soup streams out of the plugged-in wire into Beret Guy's bowl.]&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
[[Category:Comics featuring Hairy]]&lt;br /&gt;
[[Category:Comics featuring Beret Guy]]&lt;br /&gt;
[[Category:Strange powers of Beret Guy]]&lt;br /&gt;
[[Category:Beret Guy's Business]]&lt;br /&gt;
[[Category:Religion]]&lt;br /&gt;
[[Category:Job interviews]]&lt;br /&gt;
[[Category:Food]]&lt;/div&gt;</summary>
		<author><name>108.162.216.224</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2441:_IMDb_Vaccines&amp;diff=215352</id>
		<title>2441: IMDb Vaccines</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2441:_IMDb_Vaccines&amp;diff=215352"/>
				<updated>2021-07-21T19:25:14Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.216.224: /* Explanation */ clarified sentence with vader / emperor being at risk&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 2441&lt;br /&gt;
| date      = March 24, 2021&lt;br /&gt;
| title     = IMDb Vaccines&lt;br /&gt;
| image     = imdb_vaccines.png&lt;br /&gt;
| titletext = I'm actually not sure if Vader and the Emperor count as a household or if Vader lives in that weird black egg thing or what.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
This is another comic in a [[:Category:COVID-19|series]]. The series is related to the {{w|2019-20 coronavirus outbreak|2020 pandemic}}. The pandemic is caused by the {{w|coronavirus}} {{w|SARS-CoV-2}}. SARS-CoV-2 causes {{w|COVID-19}}.&lt;br /&gt;
&lt;br /&gt;
This is another entry in the [[My Hobby]] series. Cueball is evaluating movies on {{w|IMDb}} (the ''Internet Movie Database''), based on how many people would need to be [[:Category:COVID-19 vaccine|vaccinated for COVID-19]], in order for them to follow the CDC's most recent guidelines. The guidelines tell how fully vaccinated people should act ([https://web.archive.org/web/20210324142553/https://www.cdc.gov/coronavirus/2019-ncov/vaccines/fully-vaccinated-guidance.html at time of posting]). The evaluation assumes that the COVID-19 pandemic spread to the universes where the movies take place by the time at which they take place. This is part of a [[:Category:COVID-19|continuing pattern of comics]]. In these comics Randall applies COVID-19 safety standards to pre- or post-COVID situations.&lt;br /&gt;
&lt;br /&gt;
At the moment, Cueball is viewing the final confrontation between Luke Skywalker, Darth Vader (formerly Anakin Skywalker), and Emperor Sheev Palpatine. This confrontation takes place on the second Death Star in ''{{w|Return of the Jedi}}''. Darth Vader wears a breathing apparatus in a mask that fully covers his face. Vader wears this because he sustained massive respiratory damage several movies earlier. During the confrontation, the Emperor is killed. Then Luke removes Vader's mask to see his face. (It is revealed in a previous film that Vader is Luke's father.) COVID-19 would be impossible for the Star Wars movies. It would be impossible because the Star Wars movies take place &amp;quot;a long time ago in a galaxy far, far away&amp;quot;. This time was well before COVID-19 existed.{{Citation needed}}&lt;br /&gt;
&lt;br /&gt;
Cueball notes that if only Luke had been vaccinated, he would still be a possible risk to Vader. The various vaccines seem to do well to protect recipients from the harsher outcomes of the virus. The vaccines may not completely prevent them from mild infection and potentially then passing it onwards. Luke is young and healthy. Luke is probably less susceptible, if Luke were to be exposed to the virus at any point. Vader's health issues mean that Vader would be in much greater danger from such a respiratory disease without Vader's own personal inoculation. The Emperor is elderly, but probably not at as great of a risk as Vader is. However, the Emperor, too is susceptible if the Emperor were infected.&lt;br /&gt;
&lt;br /&gt;
Cueball judges that Darth Vader's mask and breathing apparatus would protect Vader from the virus, a topic that was previously considered in [[2367: Masks]]. The protection is at least to a limited extent. This is not an unreasonable assumption. Vader's suit has allowed Vader to [[wikia:w:c:starwars:Darth Vader's armor#Discomfort, limitations and enhancements|survive the vacuum of space for short periods of time]]. Cueball concludes that all the characters in this fight need to be vaccinated in order to prevent the spread of the virus. This will be true until the Emperor dies. After the Emperor dies, only Vader needs to be vaccinated.&lt;br /&gt;
&lt;br /&gt;
The title text refers to two separate CDC recommendations. If you are visiting with people from a single household when vaccinated, all at low risk of serious complications from COVID-19, you do not have to take precautions. The precaution that you do not have to take include physical distancing or masks. If you are visiting with people from multiple households, then it is recommended that you take precautions against the spread of the disease regardless. Cueball is unsure whether or not Darth Vader and the Emperor live in close enough proximity to count as a single household. Whether Vader and the Emperor live in a single household would change how Cueball decides who should and should not be vaccinated. It is unknown, based on the Original Trilogy of Star Wars movies alone, how much time Vader and the Emperor spend in proximity. The &amp;quot;weird black egg thing&amp;quot; refers to [https://starwars.fandom.com/wiki/Darth_Vader%27s_meditation_chamber Darth Vader's meditation chamber]. The meditation chamber first seen in ''{{w|The Empire Strikes Back}}'', which allows Vader to spend some time outside of his suit.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[Cueball is sitting in an office chair at a desk typing on a laptop. There is a large thought bubble of his thoughts above his head, and his typing on the laptop makes sounds.]&lt;br /&gt;
:Cueball's thoughts: &lt;br /&gt;
::For the throne room scene, I think it's all three until the Emperor dies, then Vader only. &lt;br /&gt;
::It can't be Luke only, since he's visiting Vader, who is clearly at elevated respiratory risk. &lt;br /&gt;
::Plus, he removes Vader's mask!&lt;br /&gt;
:Keyboard: Type type.&lt;br /&gt;
&lt;br /&gt;
:[Caption below the panel]:&lt;br /&gt;
:My Hobby: Editing IMDb to note the minimum set of people who need to be vaccinated in each scene for it to pass muster under current CDC guidance. &lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:My Hobby]]&lt;br /&gt;
[[Category:COVID-19]]&lt;br /&gt;
[[Category:COVID-19 vaccine]]&lt;br /&gt;
[[Category:Comics featuring Cueball]]&lt;br /&gt;
[[Category:Star Wars]]&lt;/div&gt;</summary>
		<author><name>108.162.216.224</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1784:_Bad_Map_Projection:_Liquid_Resize&amp;diff=198405</id>
		<title>1784: Bad Map Projection: Liquid Resize</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1784:_Bad_Map_Projection:_Liquid_Resize&amp;diff=198405"/>
				<updated>2020-10-02T00:05:42Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.216.224: /* Grammar Fix */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1784&lt;br /&gt;
| date      = January 11, 2017&lt;br /&gt;
| title     = Bad Map Projection: Liquid Resize&lt;br /&gt;
| image     = bad_map_projection_liquid_resize.png&lt;br /&gt;
| titletext = This map preserves the shapes of Tissot's indicatrices pretty well, as long as you draw them in before running the resize.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
This is the first comic in the series of [[:Category:Bad Map Projections|Bad Map Projections]] that continues in [[1799: Bad Map Projection: Time Zones]], released just a bit more than a month after this one, and [[2256: Bad Map Projection: South America]], released 3 years later&lt;br /&gt;
&lt;br /&gt;
There is no perfect way to draw a map of the world on a flat piece of paper. Each one will introduce a different type of distortion, and the best projection for a given situation is sometimes disputed. [[Randall]] previously explored 12 different projections in [[977: Map Projections]], and expressed his disdain for some types he sees as less efficient but whose users feel superior. None of them are truly perfect as any 2D map projection will always distort in a way the spherical reality, and a map projection that is useful for one aspect (like navigation, geographical shapes and masses visualization, etc.) will not be so for all the others. Local maps of smaller areas can be quite accurate, but the idea of both these map projection comics is to map the entire globe on a flat surface.&lt;br /&gt;
&lt;br /&gt;
This comic suggests that there are many other projections than the 12 from the previous map projection comic, and Randall seems to have an entire list, of which at least 107 are &amp;quot;Bad Map Projections.&amp;quot; The one presented here is #107 and is it called the &amp;quot;Liquid Resize.&amp;quot; It is unclear if he includes the previous 12 in this list. Quite possibly he does, since all 2D projections of the surface of a 3D sphere will be bad in certain respects. (The next comic's projections ''Time Zones'' based on these, has #79 and could be concluded as being less bad than this one, which also seems realistic as this map looks more like a normal map projections, although it also has huge flaws).&lt;br /&gt;
&lt;br /&gt;
The ''Liquid Resize'' map projection, however, is not only useless for most map applications -- as the size, shape, and position of most countries are quite distorted -- but its creation includes two steps which are outright counterproductive. If the list is sorted from best to worst it may be hard to find a worse projection method than this, so finding 106 projections better than this one seems realistic!&lt;br /&gt;
&lt;br /&gt;
First, this method needs a planar map projection as its starting point, thus compounding the problems right off the bat. Planar projections are relatively accurate near the center but heavily distorted toward the edges. A famous example of a planar projection is the logo of the {{w|United Nations}}. Planar projections are basically only useful for 3D graphics rendering, if the user needs a quick, inexpensive way to store map textures that will later be attached to a sphere.&lt;br /&gt;
&lt;br /&gt;
Second, the map uses [https://helpx.adobe.com/photoshop/using/content-aware-scaling.html Photoshop's content aware resizing tool], a very questionable choice. (Using a Photoshop tool for a task it is not intended for was also used in [[1685: Patch]] where a GNU patch tool was replaced with Adobe Photoshop's patch tool to compile code.) The content aware resizing tool resizes images by identifying what it thinks are important details and preserving these, while shrinking or stretching less detailed areas. For example, [http://knowyourmeme.com/photos/710073-content-aware-scaling when used on a face], the algorithm detects that the eyes and mouth are important details and tries to keep these in place, while stretching the skin around it. When applied to a map, this means that areas with lots of countries - and therefore lots of detail - such as Europe, West Africa, the Eastern Mediterranean and Central America/the Caribbean are relatively unchanged, while big countries like India, China and the US are very warped. The choices that the resizing tool makes are also dependent on the exact visual features of the original map, such as the choice of not having any topography or infrastructure drawn on, or not including a latitude/longitude grid, so what areas are deemed as unimportant is even more arbitrary than it would be on, say, a photographic picture of the Earth. &lt;br /&gt;
&lt;br /&gt;
[http://knowyourmeme.com/memes/content-aware-scaling Bad content aware scaling] is already a meme. This projection does do a good job, however, of making almost every country clearly visible and indicating which countries are neighbors. &lt;br /&gt;
South America fits into Africa almost as it did in the era of the super-continent {{w|Pangaea}}.&lt;br /&gt;
&lt;br /&gt;
{{w|Tissot's indicatrices}} are equally sized small circles overlaid on a globe to show the distortion of a particular map projection; if the map distortion distorts the shapes or areas of countries, it will do the same to the circles. The title text suggests that the shapes of Tissot's indicatrices would be pretty well preserved by the Liquid Resize transformation, 'as long as you draw them in before running the resize'.  This is a joke. &amp;quot;Drawing them in before running the resize&amp;quot; means that a different projection would be generated (probably preserving the indicatrices themselves), making the use of the indicatrices meaningless, sort of like cheating. In fact by drawing them small enough there will be no resizing at all.&lt;br /&gt;
&lt;br /&gt;
The making of this comic may have caused Randall's comic the week after about Dvorak - see the [[1787: Voice Commands#Trivia|trivia]] for [[1787: Voice Commands]].&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[Caption at the top of the panel:]&lt;br /&gt;
:Bad map projection #107:&lt;br /&gt;
:&amp;lt;big&amp;gt;The Liquid Resize&amp;lt;/big&amp;gt;&lt;br /&gt;
:A political map compressed using Photoshop's content-aware resizing algorithm to cut down on unused blank space&lt;br /&gt;
&lt;br /&gt;
:[Below the caption there is a map of the world divided and colored by political boundaries, with outlines around each continent in black and around each country in dark gray. Antarctica is colored in light gray, bodies of water in white, and countries in pale shades of red, orange, yellow, green, blue, and purple. The map is heavily distorted, with Africa in the center and the other continents curving around it, approximating the bounds of a square with rounded corners. The oceans have been removed but also huge countries like the US, Australia, Brazil, Russia and especially India and Argentina have been heavily distorted while areas in the center with many smaller countries like Africa and Europe is almost unchanged.]&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Comics with color]]&lt;br /&gt;
[[Category:Maps]]&lt;br /&gt;
[[Category:Bad Map Projections]]&lt;/div&gt;</summary>
		<author><name>108.162.216.224</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2236:_Is_it_Christmas%3F&amp;diff=184576</id>
		<title>2236: Is it Christmas?</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2236:_Is_it_Christmas%3F&amp;diff=184576"/>
				<updated>2019-12-13T14:08:14Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.216.224: /* Transcript */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 2236&lt;br /&gt;
| date      = December 2, 2019&lt;br /&gt;
| title     = Is it Christmas?&lt;br /&gt;
| image     = is_it_christmas.png&lt;br /&gt;
| titletext = We've tested it on 30 different days and it hasn't gotten one wrong yet.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete|Should probably wait for Christmas to see if the comic changes or not}}&lt;br /&gt;
https://isitchristmas.com/ is a popular simplistic website that informs the visitor whether or not it's {{w|Christmas}}. Christmas is a holiday observed in many parts of the world on December 25 of each year. At the top on the tab of the site in the browser it says &amp;quot;Is it Christmas?&amp;quot; with a large '''NO''' printed if it is not December 25, and a '''YES''' if it is December 25. This website ask's the user's browser the date, and updates accordingly if it is indeed Christmas. In addition, isitchristmas.com gives the answer in the language of your region (i.e. for a visitor from Canada, the site gives the answer in English and French to account for Canada's bilingularity, and in most other countries just their word for No will be shown). Since the page uses the browsing computer's time setting, it is possible to easily check that the page works by changing the date on the computer used to access the page to see the text change to Yes (or No if you are reading it on December 25). This also means that the page is only as correct as the time setting on the computer used to view the page (so in case of connection problems, you may check your computer's calendar instead).&lt;br /&gt;
&lt;br /&gt;
Here [[Randall]] spoofs the website. He claims to have made a competitor to isitchristmas.com which nearly always correctly tells if it is Christmas. The joke is, that the comic will always display a static image reading '''NO''', even on Christmas Day, and that the rare incorrect answer is rare enough to not cause any concern.&lt;br /&gt;
&lt;br /&gt;
Randall lists a rounded calculation of 99.73% for the precision of his prediction of whether or not it is Christmas. This number is accurate with or without including leap year. An average year is 365.25 days, meaning that he is only wrong 1 out of 365.25 days. So only 1/365.25 = 0.2737% of the days would the prediction be wrong, resulting in a correct reply rate of 99.726%, which he has rounded to 99.73%. Using or not using the leap year will give the same result to three decimal places. &lt;br /&gt;
&lt;br /&gt;
This precision rate is only true for a definition of Christmas, which lasts only one day, regardless of which day that is (see trivia). For any definition of more than one day of Christmas, the error rate would be higher than 0.2737%. (If one considered the traditional {{w|Twelve Days of Christmas}} to all be Christmas, then Randall's website would be wrong on all 12 days, or 3.29% of the year.) However, in the US, where [[Randall]] lives, Christmas is usually defined as the single day of December 25th. &lt;br /&gt;
 &lt;br /&gt;
Although Randall's claim on {{w|Accuracy and precision#In binary classification|accuracy}} is true, accuracy alone doesn't make a predictive device useful. In this case, the page {{w|False positives and false_negatives#false negative rate|miss rate}} or false negative rate, that is, the percent of positive condition days (it's Christmas) that are predicted by the comic not to be Christmas, is 100%. In other words, it misses all actual events of Christmas. &lt;br /&gt;
&lt;br /&gt;
When building a model for rare events, a common mistake is to ignore the implicit cost function built into the standard prediction accuracy validity statistic for binary events. Prediction accuracy (# correct guesses/total guesses) assumes that false positives and false negatives are equally bad.  Given the implicit cost function of this performance statistic, the best-performing model is commonly a persistence forecast model--i.e., the optimal prediction model returns the most common value whatever the model inputs are. It's probably a better choice to optimize a model using a performance statistic which relies on a cost function that penalizes missing correct prediction of rare events more than it penalizes missing correct prediction of common events.&lt;br /&gt;
&lt;br /&gt;
In fact, in most settings where a single outcome is a lot more common than any other one, predicting always that most common outcome would yield very high accuracy without any usefulness. It isn't hard to find examples even more accurate than Randall's:&lt;br /&gt;
&lt;br /&gt;
* A useless test for AIDS giving always negative results would have an accuracy about 99.95% when applied to a random human, and even more if used in countries with low prevalence of AIDS.&lt;br /&gt;
* A website saying &amp;quot;You are not the cartoonist Randall Munroe&amp;quot; would be right for 99.9999999857% of humans.&lt;br /&gt;
* [https://knowyourphrase.com/even-a-broken-clock-is-right-twice A stopped watch is accurate twice a day] while a running watch is almost never accurate (and oddly, is more frequently correct the faster/slower it runs).&lt;br /&gt;
&lt;br /&gt;
The title text is a &amp;quot;proof&amp;quot; that his service works. He claims to have tested this on 30 different days and confirmed that NO is the correct result. Any date except Christmas would result in a correct result, and the comic was the first to be released in December 2019, so unless the test had run for almost a year, he would not even have had a chance to test this on Christmas Day. Since this is a joke, the comic will of course not change to Yes on Christmas Day, because then it would be 100% accurate, as is the page the comic mocks.&lt;br /&gt;
&lt;br /&gt;
Being right on most days, but not the one that mattered was also the subject of [[937: TornadoGuard]].&lt;br /&gt;
&lt;br /&gt;
At the same time this Christmas comic came out, the [[xkcd Header text]] was [[xkcd_Header_text#2019-12-02_-_Into_Science|changed]] to ask if there were someone that would like Randall's new book ''[[How To]]'' as a Christmas present.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
\:'''&amp;lt;big&amp;gt;&amp;lt;big&amp;gt;&amp;lt;big&amp;gt;No*&amp;lt;/big&amp;gt;&amp;lt;/big&amp;gt;&amp;lt;/big&amp;gt;'''&lt;br /&gt;
:&amp;lt;nowiki&amp;gt;*&amp;lt;/nowiki&amp;gt;99.73% accurate&lt;br /&gt;
&lt;br /&gt;
:[Caption below the panel:]&lt;br /&gt;
:xkcd.com presents a new &amp;quot;Is It Christmas&amp;quot; service to compete with isitchristmas.com&lt;br /&gt;
&lt;br /&gt;
==Trivia==&lt;br /&gt;
*Randall usually makes [[:Category:Christmas|Christmas comics]] around Christmas Day, but this year he has made two comics mentioning Christmas already by the 2nd of December 2019. &lt;br /&gt;
**The first came two comics before this with [[2234: How To Deliver Christmas Presents]]. &lt;br /&gt;
**Only two times before has there been released any Christmas related comics so close to Christmas without being released in the few days around Christmas Day (22-26 of December). See the explanation for Christmas comics.&lt;br /&gt;
*The calendar used by most of the world for civil purposes is the Gregorian calendar, instituted by Pope Gregory XIII of the Roman Catholic Church in 1582.  However, most Eastern Orthodox churches continue to use the Julian calendar for the purpose of their holidays; December 25th in the Julian calendar is January 7th in the Gregorian calendar for years between 1900 and 2100, so that is the civil date when those countries observe Christmas.  The author of isitchristmas.com is [https://github.com/isitchristmas/web/issues/67#issuecomment-29585160 aware that this is the case], but has chosen to recognize a single date (December 25th in the Gregorian calendar) as Christmas for the sake of simplicity.&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Christmas]]&lt;/div&gt;</summary>
		<author><name>108.162.216.224</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:202:_YouTube&amp;diff=183849</id>
		<title>Talk:202: YouTube</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:202:_YouTube&amp;diff=183849"/>
				<updated>2019-11-29T18:36:21Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.216.224: &lt;/p&gt;
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&lt;div&gt;In the transcript, it says simpleplan2009's comment was posted 3 minutes ago. However, in the image, it clearly says 5 minutes. [[User:Caagr98|Caagr98]] ([[User talk:Caagr98|talk]]) 19:01, 17 April 2013 (UTC)&lt;br /&gt;
:I agree. In theory a 3 and a 5 could be hand-written to be hard to differentiate, but here it is clear. Changed. (And added the first line.) [[User:Markhurd|Mark Hurd]] ([[User talk:Markhurd|talk]]) 10:56, 19 April 2013 (UTC)&lt;br /&gt;
::Changed it back, as the actual transcript on the comic page (as seen in the webpage source, and upon which the comic searches are based) says &amp;quot;3&amp;quot;. I've added the reasoning in the explanation. [[User:NixillUmbreon|NixillUmbreon]] ([[User talk:NixillUmbreon|talk]]) 15:31, 20 January 2014 (UTC)&lt;br /&gt;
:::The image is the first source for the transcript here. Randall's transcript simply doesn't match the image.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 22:11, 20 January 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
On Gunpistolman's comment, is [http://www.phys.ufl.edu/~det/phy2060/heavyboots.html the heavy boots story] worth a mention?  [[User:B jonas|B jonas]] ([[User talk:B jonas|talk]]) 16:31, 1 November 2013 (UTC)&lt;br /&gt;
:Not needing a mention in the explanation, but thank you for the link.  Richard Feynman would be glowing in his grave at the state of science education in this country. {{unsigned ip|108.162.219.223}}&lt;br /&gt;
:Frankly, oh God that is TERRIBLE. The PHYSICS STUDENTS thought that light items float on the Moon but heavy things don't? That... That's worse than the Flat Earth Society! [[User:Jacky720|That's right, Jacky720 just signed this]] ([[User talk:Jacky720|talk]] | [[Special:Contributions/Jacky720|contribs]]) 23:17, 5 March 2018 (UTC)&lt;br /&gt;
&lt;br /&gt;
The British sketch comedy TV show ''That Mitchell and Webb Look'' has an excellent [https://www.youtube.com/watch?v=P6MOnehCOUw Moon Landing Sketch] with similar humor to this joke. [[User:Beolach|Beolach]] ([[User talk:Beolach|talk]]) 22:18, 31 March 2014 (UTC)&lt;br /&gt;
&lt;br /&gt;
I think that it's possible the video is the Astronaut music video by Simple Plan.  Led to believe it by the username simpleplan2009 {{unsigned ip|108.162.216.124}}&lt;br /&gt;
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American sheep are very offended by this. if sheep could read. --[[User:Dalonacueball|Dalonacueball]] ([[User talk:Dalonacueball|talk]]) 17:27, 24 March 2015 (UTC)&lt;br /&gt;
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I'm with GradeAUnderA on this one... FOR YOUTUBE! http://www.prdaily.com/Uploads/Public/exclamation-mark-yelling.jpg FOR YOUTUBE FOR YOUTUBE FOR YOUTUBE. I'm way too much of a 'tuber&lt;br /&gt;
&lt;br /&gt;
All of the comments in the comic are actual YouTube comments, taken from the video https://www.youtube.com/watch?v=Vml7pZJujF0 (although the usernames were changed, presumably to protect the stupid). Should that be mentioned in the description? [[User:HiddenWindshield|HiddenWindshield]] ([[User talk:HiddenWindshield|talk]]) 20:44, 19 July 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
Might the last comment be in reference to the SMBC comic http://www.smbc-comics.com/index.php?id=120 (which came out a few years before this xkcd)? [[Special:Contributions/108.162.215.104|108.162.215.104]] 20:44, 23 October 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
The comic did not copy the YouTube video comments, rather the other way round. I updated the explanation to add this.[[User:Jojonete|Jojonete]] ([[User talk:Jojonete|talk]]) 23:29, 4 November 2015 (UTC)&lt;br /&gt;
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Do we really need a citation for &amp;quot;humans haven't landed on Mars&amp;quot;? Seriously? --[[Special:Contributions/108.162.215.164|108.162.215.164]] 17:45, 27 June 2016 (UTC)&lt;br /&gt;
:Citation needed is a recurring joke. [[Special:Contributions/162.158.78.88|162.158.78.88]] 18:03, 16 March 2017 (UTC)&lt;br /&gt;
&lt;br /&gt;
Since the very first time I read this panel, I have wished that the alt-text gave a reply to the 'Americans are Sheep' comment: &amp;quot;I did not have sexual relations with that sheep! -BillClintonPOTUS&amp;quot;[[Special:Contributions/172.68.54.127|172.68.54.127]] 03:56, 16 November 2016 (UTC)&lt;br /&gt;
[[Special:Contributions/172.68.54.127|172.68.54.127]] 03:53, 16 November 2016 (UTC)&lt;br /&gt;
&lt;br /&gt;
I have observed that the Lunar Module in this comic looks like a butt. This is very important information. [[Special:Contributions/162.158.126.88|162.158.126.88]] 09:41, 22 July 2019 (UTC)&lt;br /&gt;
&lt;br /&gt;
As a frequent YouTube user, I can clarify that the comments have gotten better over the years. (Not sure about 4chan though.)&lt;/div&gt;</summary>
		<author><name>108.162.216.224</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:1811:_Best-Tasting_Colors&amp;diff=183848</id>
		<title>Talk:1811: Best-Tasting Colors</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:1811:_Best-Tasting_Colors&amp;diff=183848"/>
				<updated>2019-11-29T18:29:09Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.216.224: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&amp;lt;!--Please sign your posts with ~~~~--&amp;gt;&lt;br /&gt;
&lt;br /&gt;
This is obviously wrong because white chocolate is not [[378|real]] chocolate. Let the flamewar begin. --[[Special:Contributions/172.68.54.34|172.68.54.34]] 15:22, 15 March 2017 (UTC)&lt;br /&gt;
:Well, it's not technically chocolate, but it is a derivative -- insert math joke -- and the chart doesn't seem to be concerned with what it is, just with what it's called; after all, that which is called white chocolate by any other name would taste just as sweet, putting some off while others enjoy it. [[User:Nyperold|Nyperold]] ([[User talk:Nyperold|talk]]) 16:44, 15 March 2017 (UTC)&lt;br /&gt;
::As per your request: http://www.explainxkcd.com/wiki/index.php/626:_Newton_and_Leibniz [[Special:Contributions/172.68.34.52|172.68.34.52]] 22:08, 15 March 2017 (UTC)&lt;br /&gt;
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Purple skittles in France taste like blueberry.{{unsigned ip|141.101.69.105}}&lt;br /&gt;
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Vanilla isn't white.{{unsigned ip|172.68.58.131}}&lt;br /&gt;
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What are all of the question marks here for?  [[Special:Contributions/108.162.246.251|108.162.246.251]] 15:51, 15 March 2017 (UTC)&lt;br /&gt;
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I think those question marks at the top are supposed to be bubble gum.[[Special:Contributions/108.162.245.10|108.162.245.10]] 16:03, 15 March 2017 (UTC)&lt;br /&gt;
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I suspect this is Randall's take on Fake News™, since it contains verifiably false claims such as coffee and liquorice being bad, and candy floss being better than watermelon&lt;br /&gt;
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[[Special:Contributions/141.101.107.66|141.101.107.66]] 16:12, 15 March 2017 (UTC)&lt;br /&gt;
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&amp;quot;In the title text, Randall asserts that his rankings of colors and foods are indisputable (with the exception of chocolate). This is of course ridiculous, as everyone knows that watermelon and strawberry are inherently superior to the likes of Citrus Fruits.&amp;quot;...but his rankings of strawberry and of watermelon (x2) are higher than for oranges, lemons, and limes.  There is no contradiction here; nothing that is ridiculous. [[Special:Contributions/162.158.78.118|162.158.78.118]] 16:29, 15 March 2017 (UTC)&lt;br /&gt;
: Liquorice, while an acquired taste certainly doesn't belong that far down, I'd take it over a long list of other things on the chart, but then again ... I'm Scandinavian {{unsigned ip|162.158.134.178}}&lt;br /&gt;
:: Sweet liquorice, or salted? I'm pretty sure there should be two dots there. Also, coffee and chocolate are both missing from the right end of the 'black' row. Most of the others, I think I'd flip the line, but keep each line in the same place. I guess taste is variable in weird ways [[Special:Contributions/162.158.154.109|162.158.154.109]] 21:56, 15 March 2017 (UTC)&lt;br /&gt;
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Hmm. The selection seems quite diverse compared to a standard bag of jelly beans, but doesn't really cover the range of a gourmet brand. I wonder where root beer falls, or Dr Pepper. And that's not even getting into color classification when the bean has more than one color. Personally, when I used to get gourmet jelly bean brands, I would do the squeeze-and-sniff test on a particular shade of brown, because it was used for both coffee and a flavor I liked. I remember Lore Sjöberg having a similar problem with cinnamon and cherry, but if he ever arrived at my solution, I don't know. [[User:Nyperold|Nyperold]] ([[User talk:Nyperold|talk]]) 16:44, 15 March 2017 (UTC)&lt;br /&gt;
&lt;br /&gt;
:Interesting theory that he's talking about flavors of jelly beans, though there's really nothing to indicate he is.  But I believe every one of those food flavors are included in, for example, Jelly Belly's lineup (with the possible exception of a White Chocolate flavor). [[User:N0lqu|-boB]] ([[User talk:N0lqu|talk]]) 17:00, 15 March 2017 (UTC)&lt;br /&gt;
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:My take upon reading the comic was that it refers to Jelly Bellies. If you have ever tried a popcorn jelly belly you know how bad they are....[[Special:Contributions/172.68.65.72|172.68.65.72]] 23:32, 16 March 2017 (UTC)&lt;br /&gt;
:::I really like the &amp;quot;buttered popcorn&amp;quot; Jelly Bellys [[User:N0lqu|-boB]] ([[User talk:N0lqu|talk]]) 17:27, 17 March 2017 (UTC)&lt;br /&gt;
::If you look at https://www.jellybelly.com/flavor-guides webpage though a lot of flavors from the comics are not jelly belly flavors.--[[User:Lul|Lul]] ([[User talk:Lul|talk]]) 11:52, 17 March 2017 (UTC)&lt;br /&gt;
I enjoy licorice and white chocolate, and I think strawberry is overrated. Fight me. [[Special:Contributions/162.158.126.16|162.158.126.16]] 17:34, 15 March 2017 (UTC)&lt;br /&gt;
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If it is jelly beans it is definitely more agreeable then actual food. Because popcorn jelly beans are awful which explains why there a outlier. It also explains why there split by color.{{unsigned ip|172.68.58.89}}&lt;br /&gt;
:It could also explain the question marks.  They could be jelly beans for which he was not able to identify the flavor, but was able to judge it.[[Special:Contributions/162.158.79.5|162.158.79.5]] 13:16, 17 March 2017 (UTC)&lt;br /&gt;
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Wow. I've seen stupidity, I've seen REAL stupidity, and now there comes this comic. Randall is confirmed for pleb taste. Also quit fucking editing my posts just because I have an objectively better taste than you do and it offends you that someone would call randall out on having shit taste in flavors.{{unsigned ip|173.245.50.96}}&lt;br /&gt;
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I'm a retard pretending i'm superior by liking certain fruits. {{unsigned ip|162.158.75.52}}&lt;br /&gt;
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My tastes now rate sweet tastes poorly - as well as sour, so I would down rate candyfloss, but not up rate lemon.  The variability of chocolate represents the range from choc flavoured sweet margarine, through to 90% coco solids.  My peak preference being about 50-60%. [[User:RIIW - Ponder it|RIIW - Ponder it]] ([[User talk:RIIW - Ponder it|talk]]) 18:14, 15 March 2017 (UTC)&lt;br /&gt;
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Patrician taste good sir. Though, I respectfully disagree with your opinion on sour only somewhat: Lemons combined with other flavors make lemons pretty dang tasty.{{unsigned ip|173.245.50.96}}&lt;br /&gt;
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Has anyone figured out what all the question marks in the graph are for yet? [[Special:Contributions/162.158.59.190|162.158.59.190]] 20:08, 15 March 2017 (UTC)&lt;br /&gt;
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All the question marks made me wonder if he accidentally published an early draft again or something. [[Special:Contributions/172.68.133.90|172.68.133.90]] 20:44, 15 March 2017 (UTC)&lt;br /&gt;
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: I'm fairly sure the question marks are related to lewd matters. [[User:KromdarTheAllHungering|KromdarTheAllHungering]] ([[User talk:KromdarTheAllHungering|talk]]) 02:56, 16 March 2017 (UTC)&lt;br /&gt;
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Hi, I added a table. Can somebody fix and fill it as I am not the best at tablework (as you can see). [[User:Dontknow|Dontknow]] ([[User talk:Dontknow|talk]]) 02:45, 16 March 2017 (UTC)&lt;br /&gt;
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: Fixed and partially filled! [[User:Cody Code|Cody Code]] ([[User talk:Cody Code|talk]]) 03:52, 16 March 2017 (UTC)&lt;br /&gt;
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I removed the incomplete. The table is completely filled and there is a good explanation. [[User:Dontknow|Dontknow]] ([[User talk:Dontknow|talk]]) 21:47, 21 March 2017 (UTC) &lt;br /&gt;
&lt;br /&gt;
;Transcript&lt;br /&gt;
&lt;br /&gt;
As the transcript is for the visually impaired, I think the colored letters should only be used in the explanation and described [pink letters] in the transcript; what do you think? --[[User:LaVe|LaVe]] ([[User talk:LaVe|talk]]) 21:06, 15 March 2017 (UTC)&lt;br /&gt;
:The transcript is not only for visually impaired. Nevertheless those translation programs know colors. Be smart. And a simple bold header is enough at the discussion page.--[[User:Dgbrt|Dgbrt]] ([[User talk:Dgbrt|talk]]) 21:14, 15 March 2017 (UTC)&lt;br /&gt;
 &lt;br /&gt;
“Most people” do not like licorice; Most Americans, you mean.  Licorice is extremely popular in Europe in many varieties.  But they don’t like root beer.  [[Special:Contributions/108.162.246.227|108.162.246.227]] 06:04, 16 March 2017 (UTC)&lt;br /&gt;
: AFAIR in pretty much every food item common to the US and the UK, the US version had a far larger sugar content. My theory is that salt was more expensive that sugar everywhere but the coastal regions, so preserving with sugar was the way to go and hence the apparent national &amp;quot;sweet tooth&amp;quot; [[User:RoyT|RoyT]] ([[User talk:RoyT|talk]]) 08:04, 16 March 2017 (UTC)&lt;br /&gt;
: Hello. As a european myself, i can assure you that Licorice is not extremly popular here, except among some loners, who are recieved and watched critically by their fellow europeans. Most people in Europe don't like it. Also, most people in Europe heard of rootbeer, but nearly noone ever drank it - i wouldn't even know where to get it here. --[[Special:Contributions/162.158.91.149|162.158.91.149]] 10:08, 16 March 2017 (UTC)&lt;br /&gt;
:: You can't speak for most people in Europe. Tastes are really different according to which countries you speak about. There are lot of European alcohols with licorice flavors and also lot of licorice candies...{{unsigned|Lul}}&lt;br /&gt;
&lt;br /&gt;
Wait, lemons? I like lemons. Anyone with an excess of raw lemons for eating should send me them. I would eat them consistently if it weren't for the fact that doing so makes my gums sore afterwards. I've several times distilled lemon juice into a much, much stronger &amp;quot;lemon syrup&amp;quot; with about 1/10th the volume and the consistency of maple syrup, and my general feeling is that I would eat it like candy if it were widely available, even though it has virtually no sugar in it. Lemon flavor is best flavor! [[Special:Contributions/172.68.133.132|172.68.133.132]] 07:51, 16 March 2017 (UTC)&lt;br /&gt;
: Lemon juice has plenty of sugar in it. That's why it's used for invisible ink. [[Special:Contributions/198.41.238.16|198.41.238.16]] 08:28, 16 March 2017 (UTC)&lt;br /&gt;
: I want to try lemon syrup now; bet it would be perfect for pancakes. -- [[Special:Contributions/162.158.154.109|162.158.154.109]] 18:31, 17 March 2017 (UTC)&lt;br /&gt;
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Why are those values approximate when they have four significant figures? [[Special:Contributions/198.41.238.16|198.41.238.16]] 08:28, 16 March 2017 (UTC)&lt;br /&gt;
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How are bananas not included?{{unsigned ip|162.158.78.148}}&lt;br /&gt;
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The watermelon flavor of Airheads candy is completely green. Also, many watermelon candies partially include a green part to mimic the appearance of watermelon, and even though they taste the same, may elicit a false feeling of tasting better. [[Special:Contributions/76.252.228.30|76.252.228.30]] 12:04, 16 March 2017 (UTC)&lt;br /&gt;
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&amp;quot;???&amp;quot; refers to the mystery Dum Dums flavor. I'm pretty sure about this. [[Special:Contributions/108.162.216.130|108.162.216.130]] 21:18, 21 March 2017 (UTC)&lt;br /&gt;
This is some manchild pleb taste. &amp;quot;EWW COFFY NASTY &amp;gt;:( MOMMY I WANT SWEET :O&amp;quot; seriously.{{unsigned ip|173.245.50.96 }}&lt;br /&gt;
:People can have opinions. You don't need to take opinions you disapprove of to be &amp;quot;stupid&amp;quot; and &amp;quot;immature&amp;quot;, you.[[Special:Contributions/108.162.216.224|108.162.216.224]]&lt;br /&gt;
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The question marks for blue might have to do with George Carlin's lament over the lack of blue food.[[User:CoderLass|CoderLass]] ([[User talk:CoderLass|talk]]) 21:53, 20 March 2017 (UTC)&lt;br /&gt;
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So Randall talks about the flavor of colors based on the food they are associated with, but he says &amp;quot;blue&amp;quot; and doesn't mention blueberries and says &amp;quot;black&amp;quot; but doesn't mention blackberries? WHAT? Were they just not good enough? --[[User:JayRulesXKCD|'''JayRules''XKCD'''  ]]&amp;lt;sup&amp;gt;[[User talk:JayRulesXKCD|what's up?]]&amp;lt;/sup&amp;gt; 15:18, 4 April 2017 (UTC)&lt;br /&gt;
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I took this as being about artificial colors. That also explains the ??? areas. So, it is a guide for when getting e.g. icecream, bubblegum, yoghurt, etc. to which colour to pick, regardless of their labels... am I really alone with this? --[[User:Lupo|Lupo]] ([[User talk:Lupo|talk]]) 12:26, 1 October 2019 (UTC)&lt;/div&gt;</summary>
		<author><name>108.162.216.224</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:312:_With_Apologies_to_Robert_Frost&amp;diff=183847</id>
		<title>Talk:312: With Apologies to Robert Frost</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:312:_With_Apologies_to_Robert_Frost&amp;diff=183847"/>
				<updated>2019-11-29T17:59:02Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.216.224: &lt;/p&gt;
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&lt;div&gt;Since the wiki is so new, I thought I'd motivate a discussion about the topic here, first, rather than just blindly charging in and mucking up the text on the main page.  Later, if there's no objection, I'll merge the points here into the main page.&lt;br /&gt;
&lt;br /&gt;
A few clarifications.&lt;br /&gt;
# The description is flawed somewhat, in that Lisp (which adherents humorously &amp;quot;insist&amp;quot; means &amp;quot;Lots of Insidiously Silly Parens&amp;quot;) is in fact very strict about matching parens.  The problem is that parens are ubiquitous; every nontrivial expression starts with an opening paren, and ends with a close paren.  This differs from Perl, which, depending on how it's written, may end with a semicolon, closing curly brace, or sometimes even another character.&lt;br /&gt;
# The comparison between Perl and Lisp is a little off the mark, too.  Lisp is a very simple language (structurally; I shan't vouch for conceptually) which has the &amp;quot;elegant&amp;quot; characteristic that programs and data are essentially the same thing: lists of sub-expressions.  It is quite easy for a Lisp program to build a data structure which is itself a runnable program.  This &amp;quot;feature&amp;quot; is frequently exploited in artificial intelligence circles.  Perl, on the other hand, is a haphazard accretion of syntactic oddities so complex that the grammar cannot be modeled using standard compiler tools.  On the other hand, it can, with an economy of syntax, perform some very powerful operations, and has a vast library of utility functions that make very complex operations &amp;quot;easy&amp;quot; to do.&lt;br /&gt;
&lt;br /&gt;
Now, putting on the Opinion hat, my take is that the suggestion that the universe is written in Perl refers to the &amp;quot;messiness&amp;quot; of physics, chaos theory, and the like, somehow being attributed to the quirks surfaced by the implementation; if it were to be done again the comparative &amp;quot;elegance&amp;quot; of Lisp would, one is led to believe, result in a universe that at some fundamental level was simpler and more consistent, with predictable beginning and end.&lt;br /&gt;
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[[User:IronyChef|IronyChef]] ([[User talk:IronyChef|talk]]) 02:31, 1 August 2012 (EDT)&lt;br /&gt;
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:To what degree is the rigidity of matching parentheses a feature of Lisp and not a feature of specific implementations of it? I remember one of my professors telling me that they used to just throw a bunch of parentheses at the end of the program. I know in at least one implementation, there is at least a variable that, when true, causes the interpreter to ignore extra right parentheses. As for Perl, if you wish to add more information to the explanation about it, then I'd say go ahead. However, at present there's not really any comparison between the two languages at all in the text. I didn't feel that it was especially necessary to understand the details of Perl to get the comic, so I didn't describe it beyond calling it a popular computer programming language. [[User:Erenan|Erenan]] ([[User talk:Erenan|talk]]) 12:03, 1 August 2012 (EDT)&lt;br /&gt;
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::Almost all implementations of Lisp require exact parenthesis matching.  The Common Lisp spec requires the reader to issue an error if there's an unmatched right paren.  The Scheme spec is less demanding about making the implementation report such errors, but a standards-conforming program still needs matched parens.  There are a few exceptions, though.  Several Schemes let you use &amp;quot;()&amp;quot;, &amp;quot;[]&amp;quot;, or &amp;quot;{}&amp;quot; as delimiters.  But other than your note about Lispwork's *ignore-extra-right-parens*, I only know of one that deliberately lets you have mismatched parens: Interlisp lets you use &amp;quot;]&amp;quot; to match all the pending open parentheses, up to the most recent &amp;quot;[&amp;quot;.  So, for instance, you could write &amp;quot;(let [(there (be light])&amp;quot;, and the &amp;quot;]&amp;quot; would act like &amp;quot;))&amp;quot;.  (Genera may have adopted this too; I don't remember offhand.)  This didn't seem to take off, though (I suspect comic #859 is relevant).  Most Lispers I know just use slime-repl-closing-return (C-RET in the REPL) or slime-close-all-parens-in-sexp (C-c C-] in a Lisp buffer).  [[User:Piquan|Piquan]] ([[User talk:Piquan|talk]]) 02:45, 11 February 2018 (UTC)&lt;br /&gt;
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Lisp rhymes with myth and with, but only if you have a lithp. Think he did that on purpose?&lt;br /&gt;
[[Special:Contributions/108.162.238.157|108.162.238.157]] 14:18, 6 December 2014 (UTC)&lt;br /&gt;
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I'd just like to point out that I was randomly sent to a few before this comic after first reading #859 ( ( ) thus leaving me oddly satisfied... [[Special:Contributions/108.162.216.147|108.162.216.147]] 08:04, 22 July 2015 (UTC)&lt;br /&gt;
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I feel like writing a comment here, but my computer can only handl- '''SEGMENTATION FAULT'''&lt;/div&gt;</summary>
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	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:180:_Canada&amp;diff=183563</id>
		<title>Talk:180: Canada</title>
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				<updated>2019-11-25T14:30:23Z</updated>
		
		<summary type="html">&lt;p&gt;108.162.216.224: &lt;/p&gt;
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&lt;div&gt;Actually I suspect this comic may be referring to the propensity for video games in which you can create teams of characters which can be generally be respawned or come back to consciousness/life after levels/battles to have areas or levels where if someone is killed they die &amp;quot;for real&amp;quot;- that is they don't come back and you lose them for good. [[Special:Contributions/184.21.189.153|184.21.189.153]] 10:58, 21 September 2013 (UTC)&lt;br /&gt;
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Couldn't this be a Matrix reference? 06:11, 1 December 2013 (UTC) {{unsigned ip|108.162.216.52}}&lt;br /&gt;
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From the explanation: &amp;quot;Canada is arguably part of reality already.&amp;quot; I would love to have that argument with someone. {{unsigned ip|108.162.219.202}}&lt;br /&gt;
:Canadians don't have arguments. They would either apologize for confusing you by existing, or smack you in the head with a hockey stick. Americans tend to forget the second possibility. [[Special:Contributions/162.158.255.69|162.158.255.69]] 14:08, 16 September 2015 (UTC)&lt;br /&gt;
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I feel like adding some &amp;quot;dubious-discuss&amp;quot; after the first sentence of the explanation[[User:Meneldal|Meneldal]] ([[User talk:Meneldal|talk]]) 06:54, 11 March 2015 (UTC)meneldal&lt;br /&gt;
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Sorry for Ninja-editing/commenting, but I take it as a direct reference to the works of Philip K. Dick, especially Ubik (iirc, that is it could also be one of his other VR-related stories), where a scene that could be summarized with 'if you die in canada, you die in real life' actually takes place (in canada). Then again, this could be lucky coincidence, and xkcd might not be familiar with PKD at all. {{unsigned ip|141.101.92.37}}&lt;br /&gt;
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Addendum to the above (↑) it most certainly is a PKD reference, also taking his biography into account. [[Special:Contributions/141.101.92.58|141.101.92.58]] 05:24, 14 April 2015 (UTC)&lt;br /&gt;
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We might also want to mention that making fun of Canada is basically a national pasttime in the U.S. [[User:Bbruzzo|Bbruzzo]] ([[User talk:Bbruzzo|talk]]) 14:36, 25 August 2015 (UTC)&lt;br /&gt;
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My take: &amp;quot;I'll move to Canada,&amp;quot; threat has the sub-text of implying that I'm a contributing member of society (at least in my own mind) and thus the country will lose if I, and others like me, were to depart (a fitting punishment to all those wrong-headed voters on the other side who sought to harness my contributions while forcing me to play by their rules).  The second panel, however, comically establishes that the complainer is, basically, a loser: no money, no job, couldn't even finish his college degrees, and choose Art for a major -- the stereotypical major for those who put personal fulfillment above financial prudence.  The third panel nails it in harder by implying the complainer is a video games addict -- not clearly delineating real and virtual lives -- further accentuating that he is *not* a productive member of society. [[User:Danshoham|Mountain Hikes]] ([[User talk:Danshoham|talk]]) 17:32, 19 September 2015 (UTC)&lt;br /&gt;
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It is actually quite common for students to be somewhat divorced from reality. This tends to be more exaggerated for students of more abstract majors, i.e. art. (the reason partially being that young poeple with good understanding of the world tend to choose majors that lead to material waelth, which is the socially more accepted form of progression). The second panel implies that clueless is actually still a student.&lt;br /&gt;
The first panel also implies that clueless has difficulties finishing his degree. In some countries, with cheap or free education, the &amp;quot;eternal student&amp;quot; is actually somewhat of an epidemic. (in Japan for example Ronin refers to students that have difficulties getting through the entry exams, sometimes for several years)&lt;br /&gt;
It is also &amp;quot;known&amp;quot; that Students actually spend less time learning and more time playing computer games or consoles.&lt;br /&gt;
I feel strongly that the whole scenario refers to the eternal student, without understanding of the real world, playing computer games all day long, making &amp;quot;strong&amp;quot; statements.&lt;br /&gt;
It is near impossible to explain this as it requires extensive real world context. The closest approximation to a proper response, that can be understood by such people, is then indeed &amp;quot;you die in real life&amp;quot;. {{unsigned ip|108.162.219.248}}&lt;br /&gt;
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My favourite example of this kind of comment was during Obama's 2012 re-election, with someone stating that if Obama won they'd move to Australia &amp;quot;because their president is a Christian and actually supports what he says&amp;quot;. Australia's Prime Minister at the time was a woman, an atheist, and often attacked for attempting to implement a &amp;quot;carbon tax&amp;quot; despite the fact that she said she wouldn't (shouldn't have made the promise in the first place, but whatever). So that's fun. -Pennpenn [[Special:Contributions/108.162.250.162|108.162.250.162]] 02:54, 7 December 2015 (UTC)&lt;br /&gt;
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I always find it funny how Trumptards say they'll move to Australia, or Canada, or something like that, if Bernie wins. And then you wonder if those brainless Nazis realize that in trying to &amp;quot;escape socialism&amp;quot; they're thinking of moving to even more socialistic countries. Also, like... &amp;quot;socialism.&amp;quot; In other words, Scandanavian Capitalism. I love Bernie so much, don't get me wrong. But he's just barely a social democrat, not a democratic socialist (redundant term is redundant--socialism is inherently democratic). He's making people on all sides have the wrong idea of socialism. And real socialists and communists are like... we wish he's an actual socialist. Maybe then some real change will occur, haha. In any case, if Bernie loses, I'm transferring to a foreign school. I love Russia and while their economy may be somewhat trash now thanks to Putin, they do have some of the best colleges in the world. I'll beg to transfer on the basis of political refuge from that Nazi trying to become president. Honestly I probably won't &amp;quot;actually move&amp;quot; if Hillary wins, even though I hate her guts. But Trump and Cruz are the most batshit crazy candidates this country has seen in a LONG time. Cruz is scarier than Trump, but Trump's stupider and just oh god either of them will incite WWIII. I do NOT want to be here when the bombs fly. Literally. And as much as I will miss my home, and as much as I'll have to abandon my dream of being a CalTech professor, I do not want to come back. Ever. If Bernie loses, I'm certainly moving after my undergrad is over. If both Bernie and Hillary lose, I'm transferring immediately. [[User:International Space Station|International Space Station]] ([[User talk:International Space Station|talk]]) 18:59, 19 April 2016 (UTC)&lt;br /&gt;
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I feel that it's important to note that in the US, pretending Canada doesn't exist is another national pastime. It's highly likely this is what the last frame is referencing. [[Special:Contributions/108.162.216.97|108.162.216.97]] 22:57, 21 July 2016 (UTC)&lt;br /&gt;
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Disclaimer: If anybody moves to Canada because of the 2020 election, be aware that we have  JUST as big political conflicts. You cannot escape politics by moving to Canada.[[Special:Contributions/108.162.216.224|108.162.216.224]] 14:30, 25 November 2019 (UTC)&lt;/div&gt;</summary>
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		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:2126:_Google_Trends_Maps&amp;diff=183197</id>
		<title>Talk:2126: Google Trends Maps</title>
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				<updated>2019-11-20T15:10:15Z</updated>
		
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I'm not quite sure I understand the comic. And no, the irony of saying that on a wiki dedicated to explaining them is not lost on me. Do the maps show which word/phrase is more common in google in each state by comparing only the options to each other or where they actually the top searched words/phrases at some point in time?[[Special:Contributions/162.158.92.34|162.158.92.34]] 10:28, 20 March 2019 (UTC)&lt;br /&gt;
:Pretty sure they're all top searched words/phrases in some states at some point in the past. It's just that Randall has merged maps from different time periods. For example in the first map, &amp;quot;heat stroke&amp;quot; and &amp;quot;frostbite&amp;quot; are two real results, but the former is likely a result that appeared in summer, while the latter is likely one that appeared in winter. By merging the two maps you get a map that doesn't make sense, as it looks like they were the top searches in the same time period while in reality they weren't. [[User:Herobrine|Herobrine]] ([[User talk:Herobrine|talk]]) 11:04, 20 March 2019 (UTC)&lt;br /&gt;
::I think that Randall is just clarifying that each map may be showing trends for a different time range (otherwise people might try to compare the maps to each other, which isn't the point of the comic). I don't think he's saying that the individual results in each map are from different time ranges. [[User:Hawthorn|Hawthorn]] ([[User talk:Hawthorn|talk]]) 11:30, 20 March 2019 (UTC)&lt;br /&gt;
:::Yeah, if the results were from different time periods, you could pretty much manipulate them however you want. It would make it much less interesting. Not that statistician don't already manipulate data in any way possible...[[User:Linker|Linker]] ([[User talk:Linker|talk]]) 16:51, 20 March 2019 (UTC)&lt;br /&gt;
From what it looks like, these are year-long averages. [[User:Netherin5|Netherin5]] ([[User talk:Netherin5|talk]]) 12:17, 20 March 2019 (UTC)&lt;br /&gt;
:Here's one I just made using an example Randall is given: [https://trends.google.com/trends/explore?geo=US&amp;amp;q=frostbite,heat%20stroke Frostbite VS Heatstroke] It does appear to be either using averaging or summing over time to produce a map that is decently similar to Randall's [[Special:Contributions/108.162.221.23|108.162.221.23]] 16:03, 21 March 2019 (UTC) Sam &lt;br /&gt;
::Randolph's matches the 5 year average exactly[[User:Whereisspike|Whereisspike]] ([[User talk:Whereisspike|talk]]) 21:27, 21 March 2019 (UTC)&lt;br /&gt;
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Here is an example for the Google Trends on the first example. [https://trends.google.com/trends/explore?date=today%205-y&amp;amp;geo=US&amp;amp;q=frostbite,heat%20stroke] It looks like he picked last 5 years for that one. There should be a table with links to all of them. [[Special:Contributions/162.158.59.142|162.158.59.142]] 17:48, 20 March 2019 (UTC)&lt;br /&gt;
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For those that find the actual image to be mysteriously missing, that's because the image source URL is https://www.explainxkcd.com/wiki/images/a/ad/google_trends_maps.png , and some ad blockers will silently block it because it looks like a path to advertising images. So maybe turn off your adblocker on this site? [[Special:Contributions/172.69.170.64|172.69.170.64]] 22:37, 20 March 2019 (UTC)&lt;br /&gt;
: Specifically, uBlock is telling me it matched &amp;lt;tt&amp;gt;ad/google_&amp;lt;/tt&amp;gt;. [[User:LegionMammal978|LegionMammal978]] ([[User talk:LegionMammal978|talk]]) 20:23, 23 March 2019 (UTC)&lt;br /&gt;
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Is it just me, or does the sexting graph look like the midwest is &amp;quot;giving it&amp;quot; to the southeast, with Arkansas and Tennessee playing the naughty bits? I wonder if Randall did this intentionally or if I'm just a perv. [[Special:Contributions/162.158.186.108|162.158.186.108]] 01:37, 21 March 2019 (UTC)&lt;br /&gt;
: I'm pretty sure the best answer to the above is the last line of https://xkcd.com/960/ ;)  [[Special:Contributions/172.69.50.52|172.69.50.52]] 04:40, 21 March 2019 (UTC)&lt;br /&gt;
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I feel like &amp;quot;little dog&amp;quot; is most often entered by people searching for unusually small pets, not people wanting to learn about coyotes (which as far as I know are generally just called coyotes). This would still provide an amusing contrast with &amp;quot;big cats&amp;quot; (either the pet or wild versions). --[[Special:Contributions/162.158.106.102|162.158.106.102]] 06:46, 21 March 2019 (UTC)&lt;br /&gt;
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I've just transcribed the maps by listing which states are in which colour (dammit, I mean &amp;quot;color&amp;quot;, I'm trying to use US spellings here). I've left the &amp;quot;incomplete&amp;quot; tag on there, though, because there are things that others might want to review:&lt;br /&gt;
* I only did lists for the color(s) with the fewest states, leaving the longest list as &amp;quot;all other states&amp;quot;. This makes it less extensive, but potentially less useful (for, say, searching for a state's name).&lt;br /&gt;
* I wasn't sure whether or not to list the District of Columbia. I'm not sure whether the maps include it or not, and if it is included, it's not easy to tell whether it's blue or gray. The only case where it definitely looks like it's present (because it's a different color to both Maryland and Virginia) is in the &amp;quot;Donald Trump/What do I do&amp;quot; map, where it seems to be red. However, I'm still not certain; it could just be an artifact of Randall's graphics process. (Compare Massachusetts on the same map, where the bit sticking out... Cape Cod? yeah, that... is clearly gray, unlike the rest of the state.) That said, it may be part of the joke that &amp;quot;What do I do&amp;quot; is a popular search in Washington, DC!&lt;br /&gt;
* I'm not American and may have made mistakes in identifying states.&lt;br /&gt;
-- [[User:Peregrine|Peregrine]] ([[User talk:Peregrine|talk]]) 09:57, 21 March 2019 (UTC)&lt;br /&gt;
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My first thought on Mike Pence and Bigfoot was ... wasn't Mike Pence the one who did &amp;quot;Bigfoot Porn&amp;quot;?  But no, that turned out to be the Virginia politician Leslie Cockburn.  Still, I wonder whether that brought bigfoot to his mind.&lt;br /&gt;
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[[User:Jensfiederer|Jensfiederer]] ([[User talk:Jensfiederer|talk]]) 16:55, 21 March 2019 (UTC)&lt;br /&gt;
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Who’s the Biologist who wrote the Little Dog, Big Cat explanation, because it seems way too scientific and has nothing to do with the TV show OR Coyotes. [[User:Netherin5|“That Guy from the Netherlands”]] ([[User talk:Netherin5|talk]]) 13:59, 25 March 2019 (UTC)&lt;br /&gt;
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The Marco Rubio joke seems kinda lost on me. Did he have something to do with Alaskan politics or something?[[Special:Contributions/108.162.216.224|108.162.216.224]] 15:10, 20 November 2019 (UTC)&lt;/div&gt;</summary>
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