Advantages and Disadvantages of Using Skype

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I. INTRODUCTION
I.1 Background
People rely on technology for every aspects of their lives and technology gives a significant impact to people’s lives. Technology is constantly changing, growing, and of course forcing the world to change as well. For people nowadays, it’s hard to imagine life without technology and all of its luxuries that are provided from it. Some technology exists and causes lives of people to change and improve. Up until now, internet is still arguably the best and most widely used piece of modern technology. We can do anything with internet, and almost every aspect of our everyday lives is relying on internet, such as work, school, social relationships, and especially, communication. As a human being, communication is important for our lives, human have social needs to interact with other people, and after all, human cannot live alone. There are many ways of communicating besides face-to-face communication. Thanks to technology, people now can communicate in many ways, and internet really plays a big role on this aspect. With internet, we can communicate through e-mails, instant messages, chat groups, voice calls, and even video calls. Video call has made communicating and travelling through the years a lot simpler and easier. The most widely used video chatting software is Skype. Skype is software that can make free video calls and we can physically see our family, friends and relatives via videos. Skype is not only for making video calls, but with Skype, we can also make voice calls, instant messaging, and file sharing, all free of charge. It is obvious that with the invention of Skype, people now can communicate through the distances and Skype makes us easier to communicate with each other. Until September 2011, Skype has 663 million registered users around the world. I.2 Problem

1. What is Skype and what are its features?
2. How to operate Skype?
3. What are the advantages and disadvantages of using Skype? I.3 Purposes
The purposes of writing this paper is to know more about Skype and its features, how to operate on this software, and to know more about the advantages and disadvantages of using Skype.

II. BODY
II. 1 History and Background of Skype
Generally, Skype is a voice-over-Internet Protocol service that allows users to communicate with peers through voice, video, and instant messaging over the Internet. Phone calls may be placed to recipients on the traditional telephone networks. Calls to other users within the Skype service are free of charge, while calls to landline telephones and mobile phones are charged through a debit-based user account system. Skype is also popular for its additional features, such as file transfer and videoconferencing. Unlike most VoIP services, Skype uses hybrid peer-to-peer and client–server system, and makes use of background processing on computers running Skype software. Originally, Skype was to be named “Peer-to-Peer”, but it was too long so it was shortened to “Skyper”. However, there were some domain names that named “Skyper” as well, so eventually the “r” was deleted and the founders took the name “Skype” for the software. Skype was discovered in 2003 by Janus Friis from Denmark and Niklas Zennström from Sweden. The software itself was developed by Estonians Ahti Heinla, Priit Kasesalu, and Jaan Tallinn, who together with Janus and Niklas were also behind the peer-to-peer file sharing software Kazaa. Finally, in August 2003, the first public beta version was released. Skype headquarters are located in Luxembourg, and most of Most of the development team and 44% of the overall employees of the division are situated in the offices of Tallinn and Tartu, Estonia. On 10 May 2011, Microsoft agreed to purchase Skype’s license for $8.5 billion. The company was incorporated as a division of Microsoft, and on 13 October 2011, the purchase was finally completed. II. 2 Skype’s Features

II.2. 1 Calls between Skype and Landline or Mobile Phone Numbers a....
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