QR-like codes can be hand-drawn on any surface

QR-like codes can be hand-drawn on any surface

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While we’ve seen some creative uses of the QR code, as well as alternatives such as the sound-based Chirp, so far they have been limited to computer-generated images. Researchers at MIT’s Media Lab are hoping to create Graffiti Codes – turning hand-drawn paths on any surface into readable, data-carrying signals.

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