Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. There are many reasons why users choose to do their messaging on ...

You can add new contacts to WhatsApp manually from the Chats tab or you can scan someone's QR code within the app.

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.