text: Driverless cars could help many different people. It can help the elderly, mentally diasbled or crippled drivers. Manufacturers have already begun testing driverless cars and improve upon them everyday. Google has been working on this for a while. Some of their smart cars have driven half a million miles without a accident. Although, Google's smart cars aren't totally driverless this is real progress that shows they are very close to the real thing. Audi, Mercedes, and Nissan say they can have driverless cars as early as 2020.