You've seen 'em before, but QR codes are usually printed out with square bits. So would QR codes work if they're made out of cookies?
See for yourself. Behold, the QReo by RedPepper: Link - via Engadget
Previously on Neatorama: QR Codes and QR Codes as Art
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Worked on mine. It took me here: http://youcannothireus.com/qreo
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my reader couldn't read it.
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