Here is my wild ass guess but I hope it's true. Tesla stated FSDC which is Level 5 autonomy. Experts seem to think you need Lidar for that. What could be better than Lidar is real time mapping via camera and distributed information sharing. Think waze. With half a million cars on the road, Tesla could conceivably record every possible driving surface in the world. The first car through that curve it's gonna be ugly but the cameras figure out the curvature of the road and the next car handles it better, etc? I hope this is possible.