19/02/2014
WhatsApp Messenger is a cross-platform instant messaging service where users can send images, video, and audio media messages. The software is available for Google Android, BlackBerry OS, Apple iOS, selected Nokia Series 40, Symbian, selected Nokia Asha platform and Microsoft Windows Phone.
Founded in 2009 by Brian Acton and Jan Koum (both former employees of Yahoo!), the company that is based in California was acquired by Facebook for $16 billion ($4 billion in cash and the remaining $12 billion in Facebook shares).