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 ...

Scanning a QR code can expose you to identity theft, according to the Federal Trade Commission. Quick-response, or QR codes, which store links and other information and are readable by a smartphone ...

QR codes are everywhere these days-on product packaging, restaurant menus, even tickets and invoices. They make life easier by letting you access links, download files, or make payments with just a ...