Had the people who started Facebook decided to stay at Harvard, they would not have been able to build the company, and by the time they graduated in 2006, that window probably would have come and gone. ↗
It would be incredibly presumptuous and self-serving of me to believe that Facebook was the end of history. The only way it could possibly be the end of history is if it becomes some sort of artificial super intelligence that takes over the world. ↗
That's the power behind a tool like Facebook Connect. It is making a Web without walls. Facebook allows you to go to other sites to comment, rate, etc., without having to set up a new profile for that site. ↗