This document provides information on social media marketing. It begins with definitions of social media and examples of popular social media platforms. It then discusses types of social media like social networks, media networks, discussion networks, and review networks. Popular social media marketing channels like Facebook, YouTube, WhatsApp, Facebook Messenger, and Instagram are explained. The document provides tips on choosing the right social media channel based on goals and audience. It also discusses best practices for creating and promoting content on social media.