[mildweed]

While that is a valid correlation, and that history is a good predictor of the future, Facebook still has a lot of fight left in it. Their Graph API is powerful and their business offerings are strong. Yes, some new service might rear its head and challenge FB, but FB has more staying power and real-world integration than MySpace or Friendster had. (AOL had real-world integration, but their fall was a broken business model).