The book is now available! 29
(another Prime Pages' Curiosity)
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Version 3 of the QR Code (Quick Response Code) uses a
29-by-29 array of black squares on a white background to
encode messages. QR Codes are often scanned by smart
phones for the purpose of linking to a website whose URL
is encoded in the array of black and white squares. In this
case the encoded URL is,
the homepage of Prime Curios!.


  Submitted: 2012-12-07 18:58:28;   Last Modified: 2012-12-07 19:40:40.

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