📕 subnode [[@flancian/qr code]]
in 📚 node [[qr-code]]
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[[pull]] [[quick response code]]
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[[wp]] https://en.wikipedia.org/wiki/QR_code
- invented in [[1994]] by [[denso wave]]
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[[wp]] https://en.wikipedia.org/wiki/QR_code
📖 stoas
- public document at doc.anagora.org/qr-code
- video call at meet.jit.si/qr-code