random, second best thing.
[Mod Edit]
True, I do go for the most 'elegant' solution, simple and easy, but those are working good solutions. It isn't like I say something can't be done, or list bad ways to do it, just to get it out of the way.
If 'vehicles' still are consitered impossible, that is only because people refuse to follow my instructions (it is FOOLPROOF, FOOLPROOF i tell you).
Well... I could go on... but I think I'll end this quietly...
Wisemen are hard to find, they are tarnished by sayings and quotes that are not of their true nature.