QR codes (short for Quick Response Codes) were invented in 1994, by the DENSO Corporation. I'm sure you've seen lots of them. They are the natural progression of bar codes.
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QR code
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QR code
QR codes (short for Quick Response Codes) were invented in 1994, by the DENSO Corporation. I'm sure you've seen lots of them. They are the natural progression of bar codes.