Millions of people participate in social media networks, millions of dollars are spent on them, and these worlds will probably be the future of interactivity online for nearly all businesses. Companies are increasingly participating in these online social communities, but the risks and rewards are not always clear. This presentation will define and explain the significant social networks and who is participating in them, the various ways that corporations are playing and profiting, the new economies created, and the legal risks and business risks your company may face if it participates.