I wish author would have given more details on why he thinks Facebook is doomed than just pointing to other doomed companies like AOL and MySpace. The only othe

I wish author would have given more details on why he thinks Facebook is doomed than just pointing to other doomed companies like AOL and MySpace. The only other point he makes is Goldman's investment. (I am sure many of the Goldman investments actually paid off not by betting against them). When it comes to social networks, I think this space remains a natural monopoly (Just like OS was before internet days). And by creating open graph, facebook is eliminating need of another social network.