QR codes are everywhere, tantalizing us with hidden information. Of course, a few of them are portals to malware or other uncool business, so it's not a good idea to just scan them all and hope ...

QR codes–square, dot-matrix variants of the venerable UPC–are becoming an increasingly popular way to share information such as URLs, contact details, GPS coordinates, and calendar events. The ...

While your Motorola Droid doesn't come with a QR code decoder installed, you can easily get one for free from the Android Market. Tap and hold the up arrow at the bottom of your Droid's screen, ...