This document discusses ways to understand Facebook fans using Facebook Audience Insights, Facebook Graph Search, and social media research techniques. It provides examples of using Facebook Graph Search to find photos uploaded by people with certain interests. It also discusses analyzing the normalized distance between Facebook pages to understand which pages have overlapping audiences. For example, an analysis found Fox News has the strongest overlap with other news stations and Ford. This insight can help Fox News better target their Facebook ads. The document concludes with recommendations for how brands can use these techniques to improve targeting, create engaging content, and grow their fan base.