


It became the world's most popular messaging application by 2015, and had more than 2 billion users worldwide by February 2020. of Mountain View, California, which was acquired by Facebook in February 2014 for approximately US$19.3 billion.

The client application was created by WhatsApp Inc. In January 2018, WhatsApp released a standalone business app targeted at small business owners, called WhatsApp Business, to allow companies to communicate with customers who use the standard WhatsApp client. The service requires a cellular mobile telephone number to sign up. WhatsApp's client application runs on mobile devices but is also accessible from desktop computers. It allows users to send text messages and voice messages, make voice and video calls, and share images, documents, user locations, and other content. WhatsApp Messenger, or simply WhatsApp, is an internationally available freeware, cross-platform centralized instant messaging (IM) and voice-over-IP (VoIP) service owned by American company Meta Platforms.
