Whatsapp English. It is estimated that 1.5 billion people use WhatsApp. If you haven’t tried it yet, where have you been? The Western world’s favorite messaging app is now owned by Facebook, but it has yet to be infested with Mark Zuckerberg’s toxic sludge. WhatsApp is an awesome app, so it’s worth getting familiar with. Read on to learn a bit more about the basics and advanced features hidden beneath the surface. Even if you’ve been using it for years, WhatsApp probably has a feature or two you haven’t used yet, and you’ll find them here.