IBM’s Watson supercomputer has been touted by some observers to be one of the biggest computing advancements in the past several decades. Watson’s first appearance on the long-running Jeopardy game show aired the first episode of its man-vs-machine competition last night. IBM scientists spent four years building a computer system that could rival a human in answering questions posed in natural language. Watson is a study in advancements in artificial intelligence and natural language processing that overcome the challenge of conveying the same information in many different ways.”]