“There are very few people on Earth. Living in a big city gives you the illusion that Earth is full, but most of Earth is empty of people. [@teslaownersSV] Elon Musk "All 8 billion people on Earth can fit on one floor in the city of New York. Another way, if you're flying across the country and your goal is to drop a water balloon on someone, you will fail because it's empty."”