This document discusses social media marketing. It defines social media as forms of electronic communication used to exchange information between communities. Various social media platforms are described, including social networking sites like Facebook and Twitter, bookmarking sites like Pinterest, social news sites, and blogs/microblogs. The document outlines how to develop an effective social media marketing plan, including setting goals, targeting audiences, developing strategies, producing content, implementing the plan, and monitoring/measuring results. The overall goal of social media marketing is to engage audiences and spread messages through interaction and sharing on social platforms.