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The development of buddy-finding technology in the traditional Internet environment contributed largely to the functionality of the Internet. Now important issues relate to the development of mobile buddy-finding technologies—users' security and privacy, communication bandwidth, and social issues. As the natural extension of e-commerce, mobile commerce is now getting more and more attention from both business and academia. In mobile commerce, as with e-commerce, various virtual communities can be an important way people look for information to make purchases. Although mobile wireless devices allow people to stay connected to the community any place any time, inborn limitations like tiny screen and poor connectivity, frustrates users. Therefore, a technology that facilitates users to talk with the right group of individuals directly in the peer-to-peer mode is very much needed. The following discusses how buddy-finding technologies operate.
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