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Submission + - The Art of the QR code in Rio (bbc.co.uk)

Rambo Tribble writes: As reported by the BBC, Rio de Janerio has initiated a project embedding mosaic QR codes in the city's walkways. The codes are intended to provide access to information for tourists. I imagine they will also provide access to hackers with little more than a magic marker.
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The Art of the QR code in Rio

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