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.

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 ...

SACRAMENTO, Calif., Aug. 11, 2011 -- From Facebook, Twitter and Flickr to downloading Apps on smart-phones via a local wireless network, the technology and terms we use on a daily basis continue to ...