Sites featuring User-Generated Content (UGC)
Landing Pages for business listings on YellowBot brings together a number of user-generated content and 3rd Party content sources.
Here's the Ratings and Reviews section. Simple and clean. Includes writing tips and direct link to review guideline policies.
Obvious focus on both reviews and users for the YellowBot Home Page. Also, seems to use source IP to determine I'm in Denver CO.
Super Pages business landing page. Notice the addition of user-generated content (Reviews and Photos) along with business-generated content (Business Info, Business Blog).