(abbreviated from Quick Response code)[, it] is a specific matrix barcode (or two-dimensional code) that is readable by dedicated QR readers, smartphones, and, to a less common extent, computers with webcams. The code consists of black modules arranged in a square pattern on a white background. The information encoded may be text, URL, or other data.
In the interest of experimentation, I generated a QR code for this august journal using Kaywa's free, online service.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhuppCyrGZ_82E9PiVhVdSdBxo-P2wUl9V33et4aQ5KVVwpbWRBQeVlp2uJ8Vhf7TdwprMpFUoOcOh2fWmSd_nye9_CGOBLnx_oBp6H6LHvKjpT075XR5irKgZi7S0fjqefLu3B/s400/110815-directorblue-doug-ross-journal-qr-code.gif)
Of course, if you're viewing this post on your smartphone, this could be one of the most useless blog posts ever.
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