Well, golly. Google is rumored to spend over a billion yearly to maintain their maps which are absolutely vital to a self driving car. That's a moat. As for wh

Well, golly. Google is rumored to spend over a billion yearly to maintain their maps which are absolutely vital to a self driving car. That's a moat. As for where the technology stands, it's no surprise they want to launch in Phoenix first -- it doesn't rain there...