This document summarizes a seminar on social media from different perspectives. It begins with an introduction and overview from David Skerrett of EHS 4D Digital on 11 social media trends for 2011, including group buying, social commerce, payments, question and answer sites, fans becoming affiliates, social gaming, video hauls, the rise of mobile, location-based services, privacy becoming more important, and deeper data analysis and return on investment. It then provides views from Gavin Marshall of AAR Group on key issues clients face with social media, such as navigating different agency perspectives and measurement. The document concludes by thanking the presenters.