Facebook “Likes” have become the unassuming links between people and brands. These hooks, along with convenient login options like Facebook Connect, are giving brands more insight into who their customers are. Here we take a look at the level of information a brand can access when people interact with them in different ways. We also look at the fans as ambassadors in the Fan Engagement Spectrum and we simplify EdgeRank. Click the image below to see the infographic at full resolution.