I don't know, i really don't know.

We are just as likely to skip over that technology as adopt it.

The flying cars we were promised in 2000, may just be replaced with flying saucers. Not just a floating car. Or teleportation. Or nothing! Many people of the future will not travel. There is no need. You live near your closest friends, and everyone else you can … whatever they call "vidoe-phone-calls" in the future.