What's black and white and read all over? Five years ago the answer was a newspaper, but times have changed. Now the answer is…a QR code. In its simplest definition, a QR code is a two-dimensional ...
QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, phone numbers, or even coupons. QR codes are found everywhere from ...
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