But that is exactly my point. Choosing a single representative for all your believes, be it a person or party, is stupid, for the reasons you presented. That's why we should vote on ideas. Technology can and will enable this, and we should try to embrace that. Sure, the powers that be might not like being made obsolete through technological advancements[1], so we've got more than just a few battles ahead of us, but I'm positive we can pull through. You ultimately can't fight progress, and that's a good thing.

[1]: Best current example: The copyright industry and their increasingly desperate death throes.