It would need to be pretty darn big. 9/11 came the closest, but everything's a lot more robust now. Obama's victory tracked much higher in absolute numbers (~

It would need to be pretty darn big. 9/11 came the closest, but everything's a lot more robust now. Obama's victory tracked much higher in absolute numbers (~8.5 million pageviews per minute if I recall correctly), and the internet held up pretty well. Of course, they were prepared for that one.