Here's a fun idea to throw around... For cars that will become fully self-driving, why not replace the windshield with a curved, high resolution television? Windshields already cost several hundreds of dollars and this will allow maximum user-engagement with any media you have. Imagine watching movies the entire time, reclined in nice leather seats, with premium sound and self-tinting glass around the car. I feel like it would provide an experience better than at home or a theater! If you want to/need to see the road, high resolution cameras can allow the television to function as a windshield. And any overlays can easily be added on top. I almost completely rely on the backup camera in my Tesla already. Overlaying a HUD on glass seems much more difficult and not as worthwhile as this anyways! What do you think?