This document provides an overview of Skype, including its key features and how it can be used for language learning. It discusses Skype's calling, chatting, video calling, and other communication features. It then outlines the procedures for chatting and calling on Skype. Both advantages like international communication and disadvantages like unclear voice quality are mentioned. Finally, it lists two relevant thesis about using Skype to improve English speaking skills and language play using MSN Messenger.