WhatsApp, a free text and VoIP app, uses Wi-Fi and cellular data and offers a profusion of features. We show you how to get the most out of it.

WhatsApp is the world's most popular chat app, but it can be daunting if you're new. Here's our guide on how to use WhatsApp!

Add a Location to a WhatsApp message and use it to record a travel journal. You can also add a few close friends to a separate group and create a virtual journal club when you are collaborating on ...