> although, I would personally love to have a flying car, I would under no circumstances want all of my neighbors to have one. That sort of applies to normal c

> although, I would personally love to have a flying car, I would under no circumstances want all of my neighbors to have one. That sort of applies to normal cars as well of course: a wonderful technology, as long as they're only used by a few (wonderful for those few, naturally)—and a source of massive misery and damage once everybody has them.