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I used to hate QR codes. But they're actually genius (www.youtube.com)
submitted 5 months ago by nicerdicer@feddit.org to c/videos@lemmy.world
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A video that explains how information on a QR codes is stored.

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[-] Mac@mander.xyz 4 points 5 months ago

Yeah, they were cool until they became a security risk.

this post was submitted on 30 Sep 2024
77 points (88.9% liked)

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