Through the use of this technology, users are able to share files, computing power and storage. In general, most users download and share music, images, software, videos and documents. A range of software exists the allow this to take place, some services are free others involve a nominal charge. The free services incorporate advertising, spyware, and third party software.
Although the main use of these networks are recreational but has risks attached to it these include; intellectual copyright, exposure to inappropriate material and contact, viruses and hacking.
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http://www.besafeonline.org/English/file_sharing.htm
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