Welcome to the world of A.I. - IBM Watson

Artificial Intelligence is the theory and development of computer systems that normally require human intelligence. These days A.I. is also buzz word that contains any technology achieving intelligent systems. 'Cognitive' technologies -- designed to simulate human thought -- are organized into Cognitive Systems. They make use of Machine Learning and Natural Language Processing to enable humans to interact more naturally with machines, with the aim of enhancing and scaling human expertise.