📚 node [[color qr]]
  • [[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

📖 stoas
⥱ context
⥅ related node [[hccb]]
⥅ related node [[jab]]
⥅ related node [[qr codes]]