Leaving out the fact that Alex's data is wildly inaccurate that is probably the worst possible way to try to value a company. The most obvious issue is that Pin

Leaving out the fact that Alex's data is wildly inaccurate that is probably the worst possible way to try to value a company. The most obvious issue is that Pinterest has only been successful for a few months. There's a long list of Facebook apps that were hot for a while then dropped out of existence. Pinterest may still be added to that list.