http://www.smashingmagazine.com/2009/06/23/10-ui-design-patterns-you-should-be-paying-attention-to/
1. Lazy Registration
2. Progressive Disclosure
3. Forgiving Format
4. Clear Primary Actions
5. Breadcrumbs
6. Account Registration
7. Required Field Marker
8. Steps Left
9. Subscription plans
10. Hover Controls