How Much Are Facebook, Twitter, and LinkedIn Worth? [REPORT]

For the moment, the valuations we have for private companies like Facebook, Twitter, and LinkedIn are based mostly on what we know from venture capital investments.

SharesPost, however, is a company that lets owners of shares in private companies sell them to prospective buyers, and they’ve just released an index detailing valuations of some of the most prominent companies in the social media space.

via mashable.com