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 Skype has come under some criticism from users for the inability to completely close accounts. Users not wanting to continue using Skype can make their account inactive by deleting all personal information, except for the username. Due to an outage happened on 21 September 2015, that affected several users in New Zealand, Australia and other countries, Skype decided to compensate their customers with 20 minutes of free calls to over 60 landline and 8 mobile phone numbers. Although Skype is a commercial product, its free version is used with increasing frequency among teachers and schools interested in global education projects.