LinkedIn And The Mutable Rules Of Social Networking

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http://techcrunch.com – What is a social network? In general terms, Facebook is a network of friends and family. Twitter is a network of people/things you find interesting. And LinkedIn is a network of colleagues – to cover off a few of the big ones. (I’m still trying to figure out a neat description for Google+ — feel free to add yours in the comments.) But those neat descriptions are simplifications of more complex and changeable realities. The rules of social networking are mutable. Necessarily so. As the services shift and evolve – to encourage more people to join and do more interacting – your ind (IT news)