What happens now will be interesting. A military council has taken power, the president is gone, the vice president still there but his future in doubt, the protestors happy for the moment but not dumb enough to think this is the end. Mubarak was the tip of the iceberg, the regime he represented is still in place and it will be difficult to dismantle it. The real revolution sarts today.
UPDATE: the response from Tafrir Square: