Editing 1237: QR Code
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==Explanation== | ==Explanation== | ||
− | + | [http://en.wikipedia.org/wiki/QR_code| QR codes] are a type of 2D barcode that can be scanned using mobile app on a smartphone. This comic illustrates a user installing a new mobile application that requires the smartphone to scan a QR code on its own screen. Even with two mirrors or a front-facing camera and mirror, most smartphones would be unable to simultaneously display the camera feed for the QR scanner and the QR code itself. | |
− | + | Incidentally, the QR code in the comic contains a link to a nearly identical image with a slightly change caption that reads "How to trap a webcomic reader in an infinite loop". | |
==Transcript== | ==Transcript== | ||
− | : | + | :To continue installing, |
− | + | :[image of a QR code with link to http://xkcd.com/1237/scan/] | |
− | :[ | + | :scan this code. |
− | : | + | :12 |
− | :How to freak out a mobile app user | + | :seconds remaining |
− | + | :How to freak out a mobile app user | |
{{comic discussion}} | {{comic discussion}} | ||
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