295: DNE
| DNE |
 Title text: "I've seen advertisers put their URLs on chalkboards, encircled with a DNE. They went unerased for months. If you see this, feel free to replace the URL with xkcd.com." |
[edit] Explanation
DNE stands for "do not erase", and is commonly used on school whiteboards to let the sanitation staff and other teachers know not to erase that particular area of the board. DNE circles often encompass important information such as test dates or the teacher's name.
It is easy to see how leaving things marked with DNE can become automatic for anyone often erasing boards, so that they don't notice what the message actually says, or reflect on whether the DNE-marking is reasonable for it. Cueball's dissatisfactory note is not very subtle, but Randall notes that advertisers have successfully used the same tactic for less conspicuous URLs to their sites.
On the bottom half of the board is a crossed out 2x2 matrix, and two functions for exponential decay.
[edit] Transcript
- [Cueball is in an empty classroom writing on the whiteboard. In the top right corner in large print is written "Fuck This Place!." It is circled, and underneath he is writing "DNE"]
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