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
Skype Technologies Silverman was "widely viewed as bringing in stability to Skype after a tumultuous phase that followed the exit of the two Skype co-founders." Under Silverman's two-and-a-half year tenure, the company focused its product efforts around video calling, ubiquity (gaining high penetration on smartphones, PCs, TVs, and consumer-electronic devices), building tailored offerings for enterprise customers, and diversifying revenue through subscriptions, premium accounts and advertising. In advancing this strategy, Skype released many new products, substantially revamping its flagship Windows software (3.8 -> 4.0), and its macOS and Linux software; while introducing new software products for smartphones, and consumer electronics. In 2009, Skype