A massive adventure spanning an entire galaxy with player-driven
gameplay and design shared seamlessly online among the entire Spore
community.

Further proof, as if any were needed, that Will Wright is in fact a genius.  I was lucky enough to speak to him once and he seemed really keen on encouraging creativity in those who play his games, seeing games as a powerful tool to do far more than just entertain. Gaming needs more designers willing to think this far outside  the box.

Update: A view of Spore from a Shacker.