This document summarizes key information about social media marketing from a presentation. It includes 27 stats on topics like global internet users, emails sent, Facebook users and more. It then defines social media marketing and monitoring. It provides free and paid social media monitoring tools. It explains how businesses can use Facebook, Twitter and blogs. It shows how social media can drive leads, sales and ROI. In under 3 sentences, this document from HubSpot provides an overview of important social media statistics and explains how companies can utilize different social media platforms as part of their marketing.