Ok, I'm game. What's been implemented post-9/11 that's made us more secure?
I agree with Bruce Schneier on this: "Only two things have made flying safer [since 9/11]: the reinforcement of cockpit doors, and the fact that passengers know now to resist hijackers."
To make stupid people feel more secure by appearing to do something.
Sadly, most people confuse "activity" with "progress".
It's still available, if anyone cares (unlikely): http://support.microsoft.com/kb/99891
"The fundamental principle of science, the definition almost, is this: the sole test of the validity of any idea is experiment." -- Richard P. Feynman