I'd rather just have slow ground transportation that's practical. Walking is a human's natural mode of transportation, yet so many modern cities are built in a

I'd rather just have slow ground transportation that's practical. Walking is a human's natural mode of transportation, yet so many modern cities are built in a way that makes walking useless. Allowing all to live within walking distance of stores, work, and friends would be a greater achievement than a society built on the flying car. "The paradox of transportation in the late 20th Century is that while it became possible to travel to the moon, it also became impossible, in many cases, to walk across the street."