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 ...

Don’t call it a comeback. By Lora Kelley Roy Healy’s first tattoo wasn’t the kind people usually regret, like a future ex’s name or a quotation in a language one can’t read. Still, he was nervous ...

Many of you reading this have undoubtedly seen a QR (Quick Response) code by now (the thing pictured to the right), but there's just as much -- if not more -- confusion surrounding them today as there ...