About Whatsapp Inc.

By Friday, September 25, 2015



Developer(s)
      WhatsApp Inc.
Initial release 2009
Stable release 2.12.244 / August 21, 2015; 31 days ago
Written in Erlang[
Operating system
  • iOS
  • Android
  • BlackBerry OS
  • BlackBerry 10
  • Windows Phone
  • Nokia Series 40
  • Symbian
  • Tizen
Type Instant messaging
License Freemium
Website www.whatsapp.com
WhatsApp Inc.
Founded 2009
Headquarters Mountain View, California, United States
Founder(s)
  • Jan Koum
  • Brian Acton
CEO Jan Koum
Owner Facebook
Employees 55
Parent Facebook
Website www.whatsapp.com
                         WhatsApp is an instant messaging app for smartphones that operates under a subscription business model. The proprietary, cross-platform app uses the Internet to send text messages, images, video, user location and audio media messages.[2][3]
In January 2015, WhatsApp was the most globally popular messaging app with more than 600 million active users.[4] In April 2015, WhatsApp reached 800 million active users.[5] In September 2015 the user base has grown up to 900 million.
WhatsApp Inc., based in Mountain View, California, was acquired by Facebook on February 19, 2014, for approximately US$16 billion.

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