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social networking

n. 1 The interaction between a group of people who share a common interest. 2 Using social contacts to network. 3 (context Internet business English) The use of Internet community to network and communicate using shared interests, related skills, or geographical location between consumers and businesses. 4 A web interface that allows users to post ideas and interact. Groups and relationships of complete strangers may be formed by various means such as interests or mutual friends.