Big Blue thinks its Jeopardy! champion Watson can make money by offering health-care providers new expertise without hiring new staff.
By Tom Simonite
Why: Its flexible artificial-intelligence systems have the potential to assist people in many areas, such as health care.
Key innovation: Watson, which demonstrated its capability by beating skilled human quiz-show players, learned by automatically digesting text from books and websites, an ability that could be adapted to any area of knowledge.