Tagged Inc. was co-founded by Greg Tseng and Johann Schleier-Smith.
Tagged raised $1.5 million in angel investor funding.
Tagged raised an additional $7 million from Mayfield Fund.
Microsoft announced a commercial partnership with Tagged, and other social networking sites such as Facebook, Bebo, LinkedIn, and hi5.
Tagged was blocked in Qatar after complaints about inappropriate content that Qtel could not selectively filter.
Tagged ranked #100 on Deloitte's list of the top 500 fastest growing technology, media, telecommunications, life sciences and clean technology companies in North America.
Tagged acquired Digsby. The same month, Tagged developed a mobile version of its site.
Tagged acquired WeGame, a gaming application.
Tagged made Forbes list of "America's Most Promising Companies."
Tagged acquired Hi5 Networks Inc. the same month, Tagged acquired Topicmarks, a natural language processing, and machine learning company.