Data to be a defining tech trend in 2012

The start of this year was marked by a tech industry obsession with where to put growing mountains of information gathered online and by sensors increasingly woven into modern lifestyles.

IBM's 'Watson' to take on Jeopardy! champs

Nearly 15 years after an IBM machine defeated world chess champion Garry Kasparov, the US computer pioneer is rolling out another device to challenge mankind.

Computer creams human 'Jeopardy!' champs

An IBM computer creamed two human champions on the popular US television game show "Jeopardy!" Wednesday in a triumph of artificial intelligence.