Skype the acquisition of 65% of Skype for $1.9 billion from eBay, which attributed to the enterprise a market value of $2.92 billion. Microsoft bought Skype in May 2011 for $8.5 billion. Skype division headquarters are in Luxembourg, but most of the development team and 44% of all the division's employees are still situated in Tallinn and Tartu, Estonia. Skype allows users to communicate over the Internet by voice, using a microphone, by video using a webcam, and by instant messaging. Skype-to-Skype calls to other users are free of charge, while calls to landline telephones and mobile phones (over traditional telephone
Features of Skype use of H.264 video codec instead of VP8 found in past versions. Skype 3.0.0 on iOS allows iPhone, iPad and iPod Touch users to call each other, as well as Windows, Linux and Mac OS X. Skype 5 supports group video calls. Sharing of external monitors is also supported via third party hardware. Like many other instant messaging services, Skype clients can send SMS text messages to mobile phone numbers. In the United States, China, and Taiwan, Skype uses a "generic, pre-defined number" as the sender ID. In other countries, the message can be set to appear coming from a