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.

But QR codes can also leave you vulnerable. That’s because scammers, organized criminal gangs, and shady nation-states are ...

Creating your own QR code is easier than ever. This step-by-step guide shows beginners how to generate a custom QR code in minutes—no technical skills required.

From the upcoming generation of “iPad kids” glued to their screens to the ubiquitous but unpopular QR code menu (paywall), critics claim that a proliferation of technology is depriving people of human ...

Carlos Netto is Co-founder and CEO of Matera, a software company he founded over 30 years ago in Brazil. QR codes are all around us—in stores, at the gym, in restaurants and even on TV. These URL QR ...

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 ...