2009–2014
WhatsApp was founded in February 2009 by Brian Acton and Jan Koum, former employees of Yahoo! A month earlier, after Koum purchased an iPhone, … See more

In November 2010, a slate of improvements for the iOS version of WhatsApp were released: including the ability to search for messages in your chat history, trimming long videos to a sendable size, the ability to cancel media messages as … See more

Platform history
After months at beta stage, the official first release of WhatsApp for iOS launched in November 2009. In January 2010, support for BlackBerry smartphones was added; and subsequently for Symbian OS in … See more

WhatsApp uses a customized version of the open standard Extensible messaging and presence protocol (XMPP). Upon installation, it creates a user account using the user's phone number as the username (Jabber
WhatsApp software … See more

Misinformation
WhatsApp has repeatedly imposed limits on message forwarding in response to the spread of misinformation in countries including India and Australia. The measure, first introduced in 2018 to combat spam, was … See more

WhatsApp launched two business-oriented apps in January 2018, separated by the intended userbase:
• A WhatsApp Business app for small companies
• An Enterprise Solution for bigger companies with … See more

WhatsApp handled ten billion messages per day in August 2012, growing from two billion in April 2012, and one billion the previous October. On June 13, 2013, WhatsApp announced that they had reached their new daily record by processing 27 … See more