596 million. That's the number of WhatsApp users in India. At almost one-third of India's population, the figure stands testimony to the popularity of Facebook's almost ubiquitous messaging app in the ...

Add Yahoo as a preferred source to see more of our stories on Google. Scammers target people by asking them for an 'urgent' code. (mihailomilovanovic via Getty Images) The speed with which it strikes ...

A QR code will appear. Scan and go: Open the app, tap Add and scan the QR code. The app instantly starts showing a six-digit code that refreshes every 30 seconds. Use that code to log in. That’s it.