A social network is a social structure made of nodes (which are generally individuals or organizations) that are tied by one or more specific types of interdependency, such as ...

A social network service uses software to build online social networks for communities of people who share interests and activities or who are interested in exploring the interests ...

Social Networking, meet people for romance, friendship and professional networking. Restaurant directory, free chat and instant messaging software.

Catholic organization involved in education, lobbying, and organizing around economic and social justice issues in the United States. Legislative issues, news, suggestions for ...