The app has become the primary means of electronic communication in multiple countries and locations, including Latin America, the Indian subcontinent, and large parts of Europe and Africa and has over 2 billion users worldwide as of February 2020. The service requires users to provide a standard cellular mobile number for registering with the service.
WhatsApp is an American text and voice messaging app that allows for messages and calls on both desktop and mobile devices.
It is now owned by Facebook and it is headquartered in Mountain View, California, United States. WhatsApp was launched in January 2009 by Jan Koum and Brian Acton.
