This document provides an introduction to social media. It discusses that social media allows for revolution and communication between friends. It also enables instant celebrity through content going viral and user-generated content. The document contrasts traditional one-way and static marketing with new school social media marketing, which is dynamic, non-hierarchical, and multi-directional. It recommends that good social media marketing is authentic, transparent, and speaks in a human voice. The benefits of social media marketing include building relationships, influencing conversations, creating goodwill, and soliciting feedback.