WhatsApp reaches 600 million active users,60 million from India

WhatsApp`s popularity has reached another milestone. CEO and founder Jan Koum on Twitter announced that the instant mobile messaging app now boasts of 600 million monthly active users.

WhatsApp hits 500 million active users

WhatsApp, the mobile messaging application, has achieved a milestone with a record of 500 million monthly active users.

WhatsApp founders swap struggle for billionaire status

Jan Koum, an immigrant from Ukraine, was so poor as a teenager that he used saved his old Soviet notebooks for school and queued with his mom for food stamps.

WhatsApp hits 400 million active users

WhatsApp, the mobile messaging application, has achieved a milestone with a record of 400 million monthly active users.

WhatsApp overtakes Facebook as leading mobile messaging service

Undoubtedly, Facebook is the king of social networking space, but when it comes to social messaging on mobiles WhatsApp emerges as the clear winner.

WhatsApp says it has more users than Twitter

Messaging app WhatsApp now has more users than Twitter, company founder and CEO Jan Koum said at the AllThingsD Dive Into Mobile conference in New York.