Topic: Wolfram: Computational Knowledge Engine
Saw this on io9, and had some fun with it. It tries to understand your question or search and give the most appropriate answer. Its kinda rubbish at times, but you can strike gold if youask the right things. Think of it as a a Tinkerbot that actually makes sense.... and is funny.
My personal favorite: http://www.wolframalpha.com/input/?i=th … +parrot%21