qr code scanners
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What Are QR Codes and How Do You Scan Them?
What is a QR code? QR codes, short for Quick Response codes, are 2D barcodes that store data in a square grid of black and white squares or modules. Originally invented in 1994 by Denso Wave, a Japanese company, QR codes have gained widespread use f...
Marry rose · 05 October 2023 · 8