Social networking is a method to link communities of people together in some fashion, usually by software. The software, though varies from network to network usually gives users the ability to share and upload photos, videos and bookmarks, blog, message friends, link with or make new friends.
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Launched in 2006, Odnoklassniki is a social networking site used to stay in touch with classmates and graduated friends in Russia. It has over 10 million users.