Recent tech news report that IBM's Watson has already been employed as a dress designer, a chef, and a movie director. But what is it exactly? IBM Watson is a question answering computer system capable of answering questions posed in natural language based on cognitive computing. To replicate a human's ability to answer questions, Watson accesses 90 servers with a combined data store of over 200 million pages of information, which it processes against six million logic rules. You might also want to watch official IBM's video about how Watson works: Please press the clap button and help others find this story.