Not only can you chat with your friends and family, but also you can share different kinds of files with them like pictures, videos, and documents. The best feature of WhatsApp is that the chats are end-to-end encrypted, which means that even WhatsApp itself cannot view the conversations of its users. WhatsApp became famous due to its speedy and secure communication. As you know that WhatsApp is the most famous messaging app, which was bought by a very renowned company called Facebook.