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发帖数: 7658 | 1 A social network service focuses on building online communities of people wh
o share interests and/or activities, or who are interested in exploring the
interests and activities of others. Most social network services are web bas
ed and provide a variety of ways for users to interact, such as e-mail and i
nstant messaging services.
Social networking has encouraged new ways to communicate and share informati
on. Social networking websites are being used regularly by millions of peopl
e, and it no |
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