Software built into the cameras on iPhones and Android phones makes quick work of decoding QR codes. How do you do that on a laptop or desktop computer? I have a friend who calls me occasionally to ...

QR codes can be very handy, allowing you to quickly pull up information about parking payment systems, details about gifts you've been sent, and even menus at restaurants you visit. But they also have ...

QR (Quick Response) codes are everywhere these days. You'll spot them on restaurant menus, business cards, product packages, and even concert tickets. A big reason they've caught on is convenience.

People now prefer mobile payments over cash. Scanning a QR code is a quick way to make payments at shops, restaurants, petrol ...