If you don't set a definition for "limitation", self driving cars existed long before Tesla and Waymo, in niche pockets of the world. But if you set the definit

If you don't set a definition for "limitation", self driving cars existed long before Tesla and Waymo, in niche pockets of the world. But if you set the definition of self driving car as what you would expect in a sci-fi novel, we're not there yet. But we're actually really close - I'd bet in 3 years Waymo is makes them a reality in day to day life.