Harsh Math: You're Worth $122 On Facebook, Far Less Elsewhere

Gulp! Social media users — especially those of us on sites such as Twitter and LinkedIn — aren’t nearly as valuable as we seemed just six months ago. Wall Street has been doing some harsh math lately. Investors’ conclusions: Facebook’s  business model still looks sunny enough to value  users at an average of $122 apiece. For other sites, we’re barely worth half that amount.