Dataglyphs

DataGlyphs – a ‘robust and unobtrusive method of embedding computer-readable data on surfaces such as paper, labels, plastic, glass, or metal’ by Xerox Parc. Dataglyphs use a pattern of forward and backward slashes to represent ones and zeroes, and at 600 dpi you can get up to 1kb per square inch of printed material. Clever stuff.

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