What Is I.B.M.’s Watson?

A very short answer is the following:

“IBM is working to build a computing system that can understand and answer complex questions with enough precision and speed to compete against some of the best Jeopardy! contestants out there.” [IBM]

A longer answer to this question is the following video explaining what I.B.M. Watson is in detail:

[youtube FC3IryWr4c8]

(via New York Times Technology)