QR codes have become ubiquitous short cuts for everything from account log-ins to restaurant menus, but are we at risk of ...

Add Yahoo as a preferred source to see more of our stories on Google. QR codes are visual patterns that store data smartphones can read. AP Photo/Vincent Yu Among the many changes brought about by the ...

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 ...