This document provides an overview of social media, how it has changed the way people communicate and collaborate online by allowing users to become creators and share content. It discusses how social media moves communication from a one-way monologue to a two-way dialogue, creates relationships and alters roles. Examples of social media platforms are given, such as YouTube, Wikipedia, Facebook, Flickr, and RSS feeds. The document also considers emerging trends like mobile technology, crowdsourcing, and internet-connected devices. It concludes by framing social media usage as a game and poses questions about how organizations can benefit from it.