Will you use al-Qaeda's "Ask a Terrorist" website?
Newsweek article: http://www.newsweek.com/id/81196
Al Qaeda is setting up a website where you can ask Ayman al-Zawahiri questions.
Personally, I think it's a rip-off. I asked him the concentration of phosphorous I would need in the emitter of a BJT transistor to get a threshold voltage of 2.3 V (Chapter 6, question 17 of "Understanding Solid State Devices") and his reply was "2".
Aaaarrgh! That guy's an even bigger idiot than I am!