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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Sermo, started in September of 2006, is an online community for physicians. A key part of the site is that doctors are verified, but can remain confidential, allowing open discussion of any topics in the field. The site has over 50,000 users.
