Two-dimensional barcodes called Quick Response codes, or QR codes for short, are used to store data that devices can read. While QR codes are popularly scanned via smartphones, what if you want to ...

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With a little casual hexadecimal memorization and pattern recognition skill, you can become a QR code-reading machine — no pesky computer required! The black and white boxes represent binary 1s and 0s ...

I have a friend who calls me occasionally to help him with various little things having to do with the technology at his house. This week, one of his requests was to learn more about QR codes and how ...