Whats App 2.0 was released with a messaging component and the number of active users suddenly increased to 250,000.
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.
consumer users to provide a standard cellular mobile number.
By early 2011, Whats App was one of the top 20 apps in Apple's U. At a keynote presentation at the Mobile World Congress in Barcelona in February 2014, Facebook CEO Mark Zuckerberg said that Facebook's acquisition of Whats App was closely related to the vision.
According to a Tech Crunch article, Zuckerberg's vision for was as follows: "The idea, he said, is to develop a group of basic internet services that would be free of charge to use – 'a 911 for the internet.' These could be a social networking service like Facebook, a messaging service, maybe search and other things like weather.
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The Whats App support staff announce that messages were encrypted in the "latest version" of the Whats App software for i OS and Android (but not Black Berry, Windows Phone, and Symbian), without specifying the cryptographic method.Providing a bundle of these free of charge to users will work like a gateway drug of sorts – users who may be able to afford data services and phones these days just don’t see the point of why they would pay for those data services.This would give them some context for why they are important, and that will lead them to paying for more services like this – or so the hope goes." Just three days after announcing that Whats App had been purchased by Facebook, Koum said they were working to introduce voice calls in the coming months.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".The Whats App user's handset must still be connected to the Internet for the browser application to function.After months at beta stage, the application eventually launched in November 2009 exclusively on the App Store for the i Phone.Koum then hired a friend who lived in Los Angeles, Chris Peiffer, to develop the Black Berry version, which arrived two months later.In January 2010, support for Black Berry smartphones was added, and subsequently for Symbian OS in May 2010 and for Android OS in August 2010.In August 2011 a beta for Nokia's non-smartphone OS Series 40 was added.Whats App was switched from a free to paid service to avoid growing too fast, mainly because the primary cost was sending verification texts to users.In December 2009, the ability to send photos was added to Whats App for the i Phone. 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.