Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR) ...
Your kid's Disney coloring book can't take you to Zurich. Richard Bohm's coloring book, however, can take you there - and Tokyo, too. Bohm, a local artist and owner of Tulsa Stained Glass at 7976 E.
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