Introducing Exposure Rate, a New Facebook Advertising KPI. Social media has quickly become one of the preferred channels for brand and consumer interaction. The levels of relevancy and engagement inherent within social media are unprecedented. When done right, social media can foster meaningful relationships between brands and consumers in ways that were never before possible. This report is the first in a series from digital marketing leaders Resolution Media, an Omnicom Media Group Company, and Kenshoo Social™, looking at global trends in social media and identifying actionable insights and metrics for brand advertisers.