I used to hate QR codes. But they're actually genius
youtu.be
How do QR codes work? The checkerboard patterns taking over the world, demystified. Go to https://Saily.com/veritasium and use the code ‘veritasium’ to get a...
  • Echo Dot@feddit.ukEnglish
    1·
    30 days ago

    Are you sure they weren’t just test colors? Most newspapers have them.

    I cannot imagine what information they needed to encode that required that level of information density.