But what happens when QR codes aren't around in 20 years? You need another level... | Hacker News

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stuffihavemade on Sept 20, 2011 | parent | context | favorite | on: Great developer tattoo, even better explanation.

But what happens when QR codes aren't around in 20 years? You need another level of indirection!

dmcg on Sept 20, 2011 [–]

Yeah, the real solution is OLED tats.

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