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31.
Show HN: Shuz – Easy close-quarters messaging, with help from QR codes (shuz.vercel.app)
2 points by lmc on March 19, 2022 | past | 2 comments
32.
Data transfer with animated QR codes (2019?) (divan.dev)
20 points by lmc on March 14, 2022 | past
33.
Laki (wikipedia.org)
2 points by lmc on Oct 29, 2021 | past

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