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You've probably noticed a square barcode pasted to a graffitied light pole or on the back of a business card. That pixelated code, shaped in a square, is called a QR ...
QR codes are a fully-immersed part of life in 2024. But they got their start 30 years ago in 1994 in Japanese Toyota factories. “They used them as just a quick way to sense, you know, what, what was ...
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