About 60 years ago my Mum had a vision, well two actually, but this one is relevant. She told my sister and I as small children that one day if you wanted to travel anywhere you'd go to your door, clap your hands and a car would come. You'd get in it, tell it where you wanted to go, house number/name, street, town etc, then when you wanted to go home or anywhere else you'd do the same again. Far sighted or what?
Her other vision was that one day you'd type a list of your groceries on a typewriter (no computers in those days), press a key on the machine, and an hour later your groceries would come down a chute into your kitchen. Not quite so accurate but close - go to supermarkets websites, type your list, and a man with a van comes with the groceries.
Maybe she was a witch?
