Elon Musk is very visionary. I think underestimating Google's driverless car will be wrong.<p>The driverless car of Google is going to be fully automatic. I have read patents about the GDC and I found that the car can really run on autonomous mode.<p>The car can take control from the driver by gauging the amount of pressure he is applying on various controllers like brake pedals and accelerator or steering.<p>There are other features of the car also like detecting road weather conditions and pedestrians on road.<p>I think in future it is going to be Tesla Vs Google. However, Tesla can manufacture its own cars and Google cannot. Tesla has a benefit in this aspect.