Tagged is a San Francisco based social network that has ended 2010 with 100 million registered users and they have hit its third year of profitability. This also means that Tagged has more users than LinkedIn, but less than Facebook and Twitter. Tagged made over $32 million in revenue and their virtual currency revenue is up 71% since 2009. Tagged plans to double their staff and give all employees a 10% raise. Investors in Tagged include Mayfield Fund, Horizon Technology Finance, and Leader Ventures.