The document discusses the growing importance of social media for marketing. It notes that 33% of people say social shares could influence a purchase decision. It highlights benefits of paid advertising on Facebook, Twitter, LinkedIn and Instagram. These include targeting custom audiences, unpaid organic reach, and paying only for desired actions like followers or clicks. The document also mentions new features from platforms like Facebook's cross-device reporting and Snapchat's planned snapchatdiscovery. It concludes by suggesting social insights can help display ads, retargeting can leverage content marketing, and display can learn from other online marketing activities.