This document provides an overview of social media and discusses key concepts. It defines social media as websites and applications that allow people to connect and interact, sharing digital content and building relationships. It notes that social media and social networking are often used interchangeably but are different, with social media optimization referring to them working in tandem. The document emphasizes transparency when sharing information on social media and giving without expecting anything in return. It concludes with a note that this was only a brief introduction to social media and more can be learned on the topic.