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

Most Android phones ship with Google apps and services pre-installed, and that makes it very easy and seamless to transfer contacts. All you have to do is ensure that your Google account is set to ...

You’d think keeping tabs on your contacts would be about the simplest and most straightforward task imaginable in our modern connected world — wouldn’t you? I sure would. But as I’ve learned over the ...