This document discusses using social media for customer service and promotion. It provides a list of various social media platforms organized by type, such as blogs, microblogging, social networking, business networking, events, brand monitoring, collaboration, multimedia, reviews and opinions, and entertainment. It emphasizes that having goals that make sense for your business is important. It also recommends conducting a consumer audit and content audit, defining goals, selecting relevant social media sites, establishing rules of engagement, creating an editorial calendar, understanding community principles, starting conversations to get feedback, and having a plan to monitor, engage, adjust and evolve social media use over time. The key message is that social media use should not be self-focused but should have the goals