Robot, please take the wheel

Imagine the day when instead of sneaking a quick text message at a light, you can text the entire commute. Spend time online, playing games and reaching your destination safely and perfectly parallel parking, too.  Google has been developing the driverless car and so has Carnegie Mellon University and a number of car makers. It is expected that by 2020, a lot of cars on the roads will be without a driver.
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