This document discusses rules of engagement for social media marketing. It covers types of social media like blogging and social networking sites. It explains that content creators like bloggers are part of a company's PR team by promoting the brand. It also discusses marketing to content consumers and content sharers by making sharing content easy. It notes that social media networks gather personal information that can be used for targeted advertising. The document reviews agency roles in social media and holding discussions on how agencies work with social media compared to other channels.