The document discusses insights from Facebook Exchange (FBX) advertising campaigns. It shows that FBX campaigns significantly outperformed other real-time bidding exchanges for photo sharing and floral retailers. Specifically, FBX campaigns had 4.2x higher return on ad spend, 5x better post-click conversion rates, and costs that were 1/10th or 1/3 of other exchanges. FBX also ended debates around viewability by achieving a 12.5% post-click conversion rate and $6.22 cost per acquisition for a floral retailer.