[micaelwidell]

Funny you should mention hand-painted rock business as a counter-example. I presume you haven't heard of the massive success of Pet Rocks? Basically the story I was told was that Gary Dahl had a bet with a few friends that he could sell any product, no matter how stupid or useless, with the right packaging and marketing. http://en.wikipedia.org/wiki/Pet_Rock

[xiaoma]

It's still a much more limited business than the one Ford did create. Fifty years from now, the pet rock will be forgotten but Ford's assembly line will still be well known.

[kenjackson]

But in one thousand years from now, when we're all teleporting, no one will have cars anymore, but I'll bet you will be able to find painted rocks. :-)