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In February 2011 an artificially intelligent computer system called IBM Watson astonished audiences worldwide by beating the two all-time greatest Jeopardy champions at their own game.
Thanks to its ability to apply advanced natural language processing, information retrieval, knowledge representation, automated reasoning, and machine learning technologies, Watson consistently outperformed its human opponents on the American quiz show Jeopardy.
Watson represented an important milestone in the development of artificial intelligence, but the field has been progressing rapidly – particularly with regard to natural language processing and machine learning.
In 2012, Google used 16,000 computer processors to build a simulated brain that could correctly identify cats in YouTube videos ; the Kinect, which provides a 3D body-motion interface for Microsoft’s Xbox, uses algorithms that emerged from artificial intelligence research, as does the iPhone’s Siri virtual personal assistant.