Designed as a high-tech marketing resource, QR (quick response) codes have many useful applications. These (usually) black-and-white algorithmic codes are gateways to a potential multimedia nirvana.

Difference Between a Barcode and a QR Code: A Barcode is a 1-D code that contains just simple numbers or letters. A QR Code ...

Not all smartphones require a third-party app to scan QR codes. Kurt "CyberGuy" Knutsson shows you how to scan codes using ...

During the halftime show of this year's Super Bowl, a floating QR code took a star turn in a prominently placed advertisement. That ad, which was run by cryptocurrency exchange platform Coinbase, ...