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CES 2016: 5 hottest car technologies on display

Powerful computers that can drive better than people, high-definition road maps and low-cost sensors are about to remove some big barriers to self-driving cars. Some breakthrough features will come to your dashboard quickly, while others will take a few years. But companies from Silicon Valley to Detroit will use the CES gadget show in Las Vegas this week to demonstrate that autonomous car technology is heading for prime time.