Scanning a QR code with your phone is a common request, and should be simple, right? But it's not always as obvious how to do it as it should be. Read on for straightforward, illustrated instructions ...

Your smartphone is full of surprises. There's an app if you want to use your phone as a magnifying glass or scanner. Tap or click here for hidden apps on your smartphone and how to find them.

A big-time Google upgrade could put an end to the struggle of scanning a QR code from a long way away. Whether it's across the room on a wall or across the highway on a billboard, a new scanner ...