MINNEAPOLIS (WCCO) --Square, black and white codes are popping up all over on products, in magazines, on buildings and business cards. QR codes, or quick response codes, link the outside world to the ...
QR codes are popular elsewhere in the world, and catching on in the U.S., but one barrier to common use is the need for a special app on a smartphone to read them. Not a problem now, as even ...
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Why experts say you should be careful before scanning random QR codes
QR codes have quietly become the remote control for everyday life, from restaurant menus to parking meters to office sign-ins ...
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