If you're not familiar with QR (Quick Response) codes, they are mobile barcodes that you can encode with different types of information, and then use a smartphone camera, and QR code reader app -- ...

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 for ...

While they may not be the all-in-one solution some had envisioned, QR codes are still very popular. It’s easy to understand why, too — just point your camera or scanner at a QR code, and you’re ...