Exactly. But all this tells you is that there was some added value that Facebook brought that made people sign up even when it didn't have critical mass. Curren

Exactly. But all this tells you is that there was some added value that Facebook brought that made people sign up even when it didn't have critical mass. Currently, the only network I know of that might be in the right place to compete with Facebook is Instagram. Which is basically the same, but with more pictures of food.