You can scan QR codes and documents on your iPad using the Camera and Notes apps. Here's everything you need to know to scan ...

If your Android device is not scanning a QR code, there could be a number of potential issues at play.

Beneath the bland veneer of supermarket automation lurks an ugly truth: There’s a lot of shoplifting going on in the self-scanning checkout lane. But don’t call it shoplifting. The guys in loss ...