This robotic arm is co-ordinated with a camera to perform feats of incredible dexterity and speed. In the near future these things are going to be everywhere - building, cleaning, protecting, farming. Then what ?
An important signal used by Google is the text contained within hyperlinks. Pages pointed at by hyperlinks containing more relevant keywords tend to be ranked more highly by Google and therefore appear higher in the search engine.
I missed out on going to the 4 day TEDGlobal 2009 conference in Oxford recently largely because I didn't have the $4500 entrance fee. That doesn't matter though because TED videos the presentations and puts them online for free.