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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StumbleUpon is a social networking tool that enables users to share their favorite websites with friends. StumbleUpon also has a toolbar that integrates with your browser.
StumbleUpon was acquired by eBay in May of 2007.
