Rising User Engagement = Drives Monetization + Investment in Product Improvements... Facebook Annualized Revenue per Daily User $40 al b o e Gl u $34 ), en U $30 A ev R PD e R ag (A er $20 v ser A U e ed $16 v z i cti al u A $10 n y l n A ai D er p $0 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 2015 2016 2017 2018 Source: Facebook (4/18). Note: Facebook Daily Active Users (DAU) defined as a registered Facebook user who logged in and visited Facebook on desktop or mobile device, or took action to share content or activity with his or 32 her Facebook friends or connections via a third-party website that is integrated with Facebook, on a given day. ARPDAU calculated by dividing annualized total revenue by average DAU in the quarter.