Here's Why Facebook's Advertising Revenues Could Grow To Over $40 Billion By 2021

We estimate Facebook's overall advertising ARPU to surge from $8.60 in 2014 to over $23.00 by 2021, driven by the roll-out of better and more targeted ads, high demand for social media and mobile ads, an increase in user base, and monetization on Messenger and Search. These factors together will further propel both ad inventory as well as ad pricing on the social networking platform. Moreover, we expect international ARPU growth to outpace overall ARPU growth over the long-run, as Facebook is st...