According to the BBC, Nevada was the first state that approved a vehicle license for Google's self-driving car. This is crazy: it may mean that self-driving vehicles may be closer to reality than we originally assumed. I wonder if humans will eventually be banned from driving altogether.

The first to hit the highway will be a Toyota Prius modified by search firm Google, which is leading the way in driverless car technology.

Its first drive included a spin down Las Vegas's famous strip.

Other car companies are also seeking self-driven car licences in Nevada.