The document discusses how social media is becoming more people-centric and outlines Facebook's approach to leveraging social connections to drive brand affinity and direct response. It explains that Facebook focuses on making connections easy and valuable for users while empowering them to share with their friends. This new form of word-of-mouth marketing through friends is shown to be more effective than traditional digital marketing approaches. The document also provides examples of Facebook ad products like Sponsored Stories, Marketplace Ads, and retargeting fans that can generate leads and scale word-of-mouth referrals.