On February 26, 2016, Whats App announced they would cease support for Black Berry (including Black Berry 10), Series 40 and Symbian S60, as well as older versions of Android (2.2), Windows Phone (7.0) and i OS (6), by the end of 2016.
Whats App was officially made available for PCs through a web client, under the name Whats App Web, in late January 2015 through an announcement made by Koum on his Facebook page: "Our web client is simply an extension of your phone: the web browser mirrors conversations and messages from your mobile device—this means all of your messages still live on your phone".
Whats App Web's user interface is based on the default Android one.
As of January 21, 2015, the desktop version was only available to Android, Black Berry and Windows Phone users.
Diego Dzodan, a Facebook executive, is arrested by Brazilian federal police after Facebook fails to turn over information from his Whats App messaging account into a judge's request for a drug trafficking investigation.
The application runs from a mobile device though it is also accessible from desktop computers; the service uses standard cellular mobile numbers.
Originally users could only communicate with other users individually or in groups of individual users, but in September 2017 Whats App announced a forthcoming business platform which will enable companies to provide customer service to users at scale. in September 2007, the duo traveled to South America as a break from work.
In December 2009, the ability to send photos was added to Whats App for the i Phone. In April 2011, Sequoia Capital was the only venture investor in Whats App and paid approximately million for more than 15 percent of the company, after months of negotiation with Sequoia partner Jim Goetz.
By early 2011, Whats App was one of the top 20 apps in Apple's U. Facebook, which was advised by Allen & Co, paid billion in cash, billion in Facebook shares, and (advised by Morgan Stanley) an additional billion in restricted stock units granted to Whats App's founders, Koum and Acton.