The situation you tell us could not happen because the vehicles would be driven by AI 😄

I do wonder if the AI would be clever enough to anticipate the movement of humans and animals. I vaguely recall an experiment where they asked people to help define the rules of what an automated car would do in certain unavoidable situations - would it hit a parent with a pram or a dog if they were to run into the car's path. The car would probably see them coming though and already be slowing down. What a wonderfully safe world we'd live in 🙂

Today when we want to know the thought and works of great people of our humanity we turn to books and movies, it would be wonderful if in the future people could resort to the thought and works of others from the "first source", thanks to virtual reality.

That's an interesting idea - would future generations be disappointed by the conversations they'd have? We've progressed so much as a society with regards to equality (still with a long way to go) and by being able to talk to them as if they were here could be very disappointing. I could imagine news headlines where some smart arse has got a controversial answer and tarnishes their reputation / legacy based upon the answer from a machine.

1 Zettabyte (ZB) = 1,000 Exabytes = 1 million petabytes = 1 billion terabytes.

I can't decide if that's bigger or smaller than I would have expected.