possible problems and benefits of driverless cars -RAY

The driverless car's possible problems are it can't anticipate the unexpected , and it can't recognize the police's commander . Also.if an accident does happen , how can we blame , so the driverless car still have a lot of problems need to solve , but also the driverless car's benefits are not a few , For example :the driverless car is safety because robot is not like human , have many different problems , therobot don't get sleep . run red lights or make bad judgments , so safety is the best benefit of driverless car , except safety the driverless car also have others benefitslike when you use driverless car , and you can do your thing and don't need to hand in steering wheel , or maybe use driverless car would use less fuel , so have a lot of advantages , and also have a lot of problem , But in the future , the driverless car will popular or not is decide by consumers .So we can look forward to the future , maybe in the future everyone set in the car and can have a good meal , can play the game, can talk to each other , even can have a good sleep , I think that will be a nice thing .