It's advancing faster in terms of being available to the consumer, that is true. But I'm not sure I would say it's advancing faster in terms of technology. If

It's advancing faster in terms of being available to the consumer, that is true. But I'm not sure I would say it's advancing faster in terms of technology. If you watch the TED talk you'll see that Google's cars today are responding to situations far beyond what Tesla's current offerings are designed to do. Construction flaggers, school busses which must not be passed, bicycles blowing through red lights in intersections, cars randomly pulling into the middle of traffic, bicycles hand-signaling a turn, a woman in a wheelchair chasing a duck, Google's cars are negotiating these situations without driver intervention. It's a totally different class of problem than lane tracking, emergency braking, auto-park, etc.