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Worrying about hackers breaking into your laptop and cell phone is bad enough, but soon your car may be vulnerable, too. With each new model year, the automobile becomes less a collection of mechanical devices and more a sophisticated network of computers linked to one another and to the Internet. Earlier this year a group of researchers proved that a hacker could conceivably use a cell phone to unlock a car’s doors and start its engine remotely, then get behind the wheel and drive away.

A team of IBM researchers spent four years building Watson, a computer system clever enough to beat the best Jeopardy players in the world.