think it is Google doing what they've always done. They've always had this sort of, I don't know if it is their explicit goal but they have always seemed to have this goal of knowing everything about everything. They want to index all the information in the world. All the information in the world really comes from the real world so this is very much in line with what they've been doing for the last 10 years or more. WILL OCKENDEN: Artificial intelligence, the search for it and the ethics after it's discovered is a topic regularly discussed in science fiction. Author Iain Banks' science fiction culture series deals with a universe where autonomous robots have the same rights and responsibilities as humans. Wray Buntine says while this is a step in that direction, a similar future is a long way off. WRAY BUNTINE: All this does is recognition. They have still got to put this into a context where it would actually be doing something and that may be quite a bit harder.