Can you scan a QR code from a screenshot or photo? Yep, you can.

You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: just open the camera app, point your phone at the code, and tap ...

When used as intended, the QR code is pretty cool. Just point the camera of your smartphone at a QR code and it will magically pop up a link you can tap to visit the designated website. The ...

More than 90 million consumers will scan a QR code this year. But the technology can also facilitate identity theft.