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.

During Apple’s keynote at this year’s WWDC 2017, Craig Federighi announced iOS 11 support for the oft-forgotten quick response (QR) codes. While users stateside may not use QR codes regularly, for ...

Now that Google is using the two-dimensional bar codes as part of its local businesses listings program, it's all the more reason for an app to help read them. CNET contributor Don Reisinger is a ...

On the front, Brian Punger’s business card looks like any other. But on the back is a large quick response or QR code that says “Scan me.” People who do just that will upload his contact information ...

QR might stand for quit resistance.

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, ...