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7 lines
329 B
Markdown
7 lines
329 B
Markdown
- [[qr codes]] tend to be black and white only, but there are some colorful alternatives:
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- [[jab]]
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- [[hccb]]
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- 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.
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https://twitter.com/flancian/status/1405974430048731140 |