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I’ve used Optar. It works a lot better than just printing some QR codes. It fits 188 KiB on a sheet of letter sized paper after error correction. It does require a laser printer and a flat bed scanner though.

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IsoKiero@sopuli.xyz ⁨1⁩ ⁨week⁩ ago

It fits 188 KiB on a sheet of letter sized paper

Maybe I won’t use that to back up my photo library as few rough web searches suggests that the pile of paper would be something around 500 meters tall. Pretty neat technology and I suppose if you really need something stored you can etch that to stainless steel plate or something similar, but data density isn’t the best around.

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sprite0@sh.itjust.works ⁨1⁩ ⁨week⁩ ago
that is really neat

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