This document provides an overview of social media marketing and networking. It defines social networking websites as those that allow users to create profiles, build networks of contacts, interact with others, blog, post photos and videos. The document discusses both the advantages and disadvantages of social networking, noting that the benefits outweigh the costs if used properly but there are dangers if not careful. It then lists and briefly describes 25 useful social networking tools and sites like Myspace, Facebook, LinkedIn, Twitter, and YouTube. Finally, it provides tips for effectively using specific social media platforms for business purposes, including 14 tips for Twitter, 30 tips for Facebook, 10 tips for LinkedIn, and ways to use YouTube for business.