Write a Report on the Differences between a Network such as Napster and a "Pure" P2P Network

Being a human, we can not without communication, sharing our life and business transition, which make our relation closer and closer. Nowadays, people are not only using Fax or telephone, but also using communication network to share what they want, especially music and photo. Therefore, I have already some information of Napster and Gnutella for comparing the differences of both functions. Furthermore, this report is going to discuss advantage and disadvantages of each network system.
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