This document provides statistics about social media platforms and their users. It outlines key metrics for Facebook such as its large user base of over 1.39 billion monthly active users, high levels of user engagement with billions of likes and comments daily, and the importance of Facebook for online advertising. Statistics are also presented on spending on social media marketing, the role of social media in B2B purchasing decisions, and metrics for other platforms like Twitter, including its large user base and the business benefits of having a Twitter presence.