This document provides an overview of social networking. It begins by defining social network sites and their key features. It then discusses the history of major social networking sites from 1997 to the present. The document outlines strategies for social networking, including attracting new members, community structure, encouraging participation, and guidelines. It also covers trends like privacy, data mining, and potential issues. Finally, it provides data on market share of top sites and concludes by discussing the social impact of social networking.
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