More research into QR Codes, following my concerns about the overall visual aesthetic and effect they may have on a design, as well as how to actually USE QR codes (because I am a top rate newbie)... definitely need to borrow someones iPhone to give the code a whirl and check that all is in order!
http://www.quora.com/Do-QR-codes-have-to-be-black-and-white
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