Skype Information


Skype
Skype (/ˈskaɪp/) is an application that provides video chat and voice call services. Users may exchange such digital documents as images, text, video and any others, and may transmit both text and video messages. Skype allows the creation of video conference calls. Skype is available for Microsoft Windows, Macintosh, or Linux, as well as Android, Blackberry, and both Apple and Windows smartphones and tablets.Skype is based on a freemium model. Much of the service is free, but Skype Credit or a subscription is required to call a landline or a mobile phone number. At the end of 2010, there were over 660 million worldwide users, with over 300 million estimated active each month as of August 2015.At one point in February 2012, there were thirty four million users concurrently online on Skype.

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Skype allows users to communicate over the Internet by voice using a microphone, by video by using a webcam, as well as with instant messaging. Skype-to-Skype calls to other users are free of charge, while calls to landline telephones and mobile phones (over traditional telephone networks) are charged via a debit-based user account system called Skype Credit. Some network administrators have banned Skype on corporate, government, home, and education networks,citing such reasons as inappropriate usage of resources, excessive bandwidth usage, and security concerns.

Skype originally featured a hybrid peer-to-peer and client–server system.[28] Skype has been powered entirely by Microsoft-operated supernodes since May 2012.The 2013 mass surveillance disclosures revealed that Microsoft had granted intelligence agencies unfettered access to supernodes and Skype communication content.

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