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 ...

Add Yahoo as a preferred source to see more of our stories on Google. You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: ...

Have you seen a QR Code floating around? Maybe you’ve seen them in magazines, posters or business cards. I’ve seen them, as well, and wondered what I’m supposed to do with them. Ignorance in ...