This document provides an introduction to using Facebook for marketing purposes. It discusses key facts about Facebook, including that it has over 1 billion monthly active users and 819 million mobile users. It also discusses that engagement and content are key to success on Facebook, rather than traditional interruptive advertising. The document then covers definitions of important Facebook marketing terms like reach, engagement, and amplification. It also discusses who is using Facebook, including that older age groups over 50 are among the fastest growing demographics. Finally, it manages expectations for Facebook by noting it has competition from other channels.