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 idea is ...

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 -- ...

I see QR Codes everywhere in the not too distant future. I also see a smartphone in every pocket too. But that's tomorrow - Today QR Codes are just starting to make an impression in the U.S., and not ...