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.

Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that can be printed and later scanned by a smartphone or other device.

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, ...

Quick Response codes can be very convenient for traveling to websites, downloading apps, and viewing menus at restaurants, which is why they’ve become a vehicle for bad actors to steal credentials, ...

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, ...

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 ...