As the most widely used messaging app in the world, by installing it there is a high probability of finding the person you want to talk to. To talk to a person through WhatsApp, the other person needs to have the app installed. WhatsApp Messenger was the first major instant messaging application for Android, and that has earned it a place at the top. It has more than 2 billion active users, who send more than 100 billion messages daily. WhatsApp Messenger is the most widely used instant messaging application in the world.
