The top level category is social networking which includes all forms including a social network, social networks and social networking sites such as Facebook, MySpace, and Linkedin. Additional tools for use in social networking include social networking software, social network analysis, online social networking and free social network sites such as the aforementioned.
Most people conduct social networking by performing a people search for known friends within their social network. People often conduct social networking in order to perform business and social networking, personals, dating and other such activities.