A social network is a social structure made of individuals (or organizations) called "nodes," which are tied (connected) by one or more specific types of interdependency, such as friendship, kinship, financial exchange, dislike, sexual relationships, or relationships of beliefs, knowledge or prestige.
In 2004, the PEW found that 87% of teenagers aged 12-17 have some level of Internet access. In a study conducted in late 2006, they found that 55% ...
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Social network
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