Texting! There's a very interesting article in Huffington Post: WHY DON'T WE TALK ANYMORE? Can't post a link from my mobile.
Car alarms, without a doubt.
too bad obama isnt well trained. He is worse than carter.
My answer would be the nuclear bomb. It can destroy all of the religion in the world.
Ferris wheels. Spinning, always spinning..spinning..spinning..(throws up)