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Skype has established itself as a key player in the Internet communications market. It offers text chat, calls and videoconferencing, and in lots of areas it has walked all over the competition. It is the essential VoIP software to have, both at home and in the office. It is well established on smartphones and tablets, and before you know it, it will be available directly through any browser... But how well do you know the secrets of this clever application?
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Before creating Skype, its developers worked on a famous peer-to-peer application: which one?