This document discusses social media and its applications for customer service. It begins by defining social media and exploring its various uses, including informing customers, seeking help, inviting participation, celebrating customers, researching insights, and monitoring intelligence. It then examines ways social media can be used, such as sharing information, blogging, complaining, getting help, connecting to communities, and advertising. Finally, it proposes a social media maturity model to help organizations benchmark their social media capabilities and determine areas for improvement. The model evaluates factors such as employee competence, content management, cultural integration, community management, policies/procedures, metrics, technology architecture, tools, connectivity, vision/strategy, leadership, and governance.