WhatsApp, grew from 0 to 500 million users in 5 years!
WhatsApp is the world’s most widely used messaging app; the company says it has 2 billion daily users. These users send more than 100 billion messages every day in 60 languages across 180 countries. Some 400 million of those users are in India, WhatsApp’s biggest market, followed by another 120 million in Brazil.