📚 node [[2d barcodes]]
📓 garden/flancian/2d barcodes.md by @flancian ️👁 ️📝
⥅ node [[color-qr]] pulled by user
📓 garden/flancian/color qr.md by @flancian
  • [[qr codes]] tend to be black and white only, but there are some colorful alternatives:
  • note that [[qr codes]] don't need to be black and white; they can be made colorful, but don't actually use color to encode information even in that case.

https://twitter.com/flancian/status/1405974430048731140

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