Social media marketing is so new, few marketers really know what is effective and what isn’t. Should you post every day? Every week? Offer discounts? Focus on branding? This session will report the results of a year-long analysis of 65 billion Facebook impressions and 20 million clicks that provide insight into the optimal use of Facebook. Among the results: showing an ad more than seven times to one user suppresses engagement; the combination of high exposure and low frequency increases conversion rates; and more.