I'm sure some people might dismiss the list immediately because they're not game developers. But keep in mind that many of these points could be used seamlessly for apps (Facebook, MySpace, Yahoo!, etc etc) or even your own website. Good stuff!
One of the best things I learned coming out of a failed video game startups (we had one win, our multiplayer tech is powering Quake Live :P) was the importance of positive and negative feedback for building an addictive community.
On BreakkUp.com, we're looking toward virtual goods instead of banners ads. There's no reason in this day and age that one can't easily produce and monetize e-cards and gifts on a micro level, for example. It better fits our demographic which is 25-35% teen — they practically ignore banner ads.
