Dear Professional, Social Neworking concept became a very popular among organisation and people.It is a kind of Knowledge Management tool for create, build and share knowledge.I find an interesting article on this tipic.Hope it will be useful for you also.Here i am giving part of abstract and link... Social networking sites like MySpace represent a new and powerful communication technology, rivalling even commercial search engines in terms of total visits. There is hence a need to understand how these sites relate to the rest of the Web. For this study, links to the U.S. top twenty social network sites were gathered from commercial search engines and investigated using an information science link analysis........ full article available on :http://www.cindoc.csic.es/cybermetrics/articles/v12i1p1.html -- Shri Ram Pandey Information and Knowledge Management Trainee NCSI,Indian Institute Of Science,Bangalore -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.