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.

Position markers, also known as finder patterns, are the large squares located at three corners of the QR Code. These markers help scanners detect the QR Code and determine its orientation. They are ...

If there's a shortage of anything, it's understanding of how QR codes work.

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The pandemic and our desire to minimize contact with objects and ...

Security researchers from Barracuda report new tricks using QR codes. The attacks come via email and bypass many of the security scans commonly used in large companies. If the end user then also reads ...

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 ...