Wolfram Alpha (dot coooom!): http://www32.wolframalpha.com/
It's something like a search engine, but more like a tool for comparing things to other things that are totally different that can also calculate the date JFK died and multiply it by the width and length of the Golden Gate Bridge, then divide that by 6.
Play around with it, see what you think. There's a podcast for it somewhere out there.
Ten bucks says Google buys this in two years.
