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 coding has brought barcode-type application into the reach of anyone equipped with a PC and a cellphone with a camera, explains Nizar Diamond Ali Most of us are familiar with `barcode` as a result ...

QR codes are everywhere, tantalizing us with hidden information. Of course, a few of them are portals to malware or other uncool business, so it's not a good idea to just scan them all and hope for ...

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 ...