"Home, James!"

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"Home, James!"

Built-in GPS devices in cars have become quite common.

Peter Dazeley/Getty Images

Okay, we haven't yet reached the point where your car can act as your personal chauffeur -- and we probably won't until self-driving automobiles (which do already exist, by the way) are well beyond the experimental stage. But GPS devices in cars have become quite common, and if you're negotiating your way through a complicated trip across a large city, you may need to interact with your GPS fairly often to figure out how to get from point A to point B. So a lot of cars (and the GPS systems built into them) let you tell them verbally where you want to go. Of course, talking with your GPS about how to get to the local hardware store can be more than a little complicated, and in some cases, is about as much fun as trying to negotiate the voicemail-hell of a large company's customer support system -- but it's still a lot safer than trying to type street addresses and steer at the same time.

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