As smartphones have become more and more ubiquitous, so have QR codes. These maze-looking squares are a type of matrix bar code that contains data — usually, QR codes point to a website or open a ...
The QR code - full name Quick Response code - was first invented back in 1994 by Masahiro Hara and his team at Denso Wave in Japan. The codes were designed to track automotive parts more efficiently ...
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