Three years after IBM began trying to turn its "Jeopardy"-winning computer into a big business, revenue from Watson is far from the company's ambitious targets. Spencer Ante reports. Photo: Getty.

Once called the ‘father’ of IBM’s Watson computer, Kelly has ‘played numerous significant technical and business roles driving IBM‘s leadership’ in semiconductors, supercomputers and ...

AllThingsD's Arik Hesseldahl and Steve Baker, author of "Final Jeopardy: Man vs. Machine", join digits to discuss Watson's performance on Jeopardy and the future of the supercomputer.