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 the ...

You can move Google Authenticator to a new phone so that your new device can gain an additional level of security through two-step authentication.

You can use Snapchat to send text messages, photos, and videos that disappear quickly after they are viewed, alongside a host of other features.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. You probably already know how to scan a QR code with your phone. It ...