Have not yet used this service, but I like the general approach. Instead of tracking analytics in 10s to 100s of different specific sites, like Facebook Insights, YouTube, Yelp, Google Analytics, etc., bring it into one place so you are more likely to actually look at and act on your analytics.
GetSatisfaction puts out some really well done infographics. Stunning, really. And the topics are always right on top of what everyone is talking about. Well worth the time to look at this infographic on social gaming, and the overall library they have (scroll to bottom of the page).