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.

Benjamin Claeys is CEO of QR TIGER, MENU TIGER, and GiftLips. He also hosts Stay QRious, a podcast about QR code best practices. The idea for QR codes was first conceived to help track automotive ...

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 ...

You request a QR code. The server generates it. You wait. That round‑trip latency matters when you are embedding codes in a ...

For a short time, the QR code was the poster child of marketing. While the frenzy of discussion about them disappeared almost as quickly as it appeared, QR codes still have their uses in moving ...