Social Media in Convergence. Understanding Social Media and Social Behavior Change -- Information Diffusion -- Establishing Community -- Mobilizing Your Audience -- Social Media Users and Messages. Transforming Audiences into Users -- Active Within Structures -- Best Practices for Social Media Engagement -- Mobile Marketing and Location-based Applications -- Social Media Marketing and Business Models. Reconsidering the Long Tail -- Social Media Business Models -- Social Media Marketing Strategies -- Evaluating Social Media Marketing -- Marketing for Social Good. Social Media and Health Campaigns -- Social Media and Civic Engagement -- Communication for Development -- Social Media and Entertainment-Education -- Social Media for Social and Behavior Change. Integrating Old with New -- Social Media for Social Behavior Change -- Arguing for a General Framework for Social Media Scholarship -- The Future of Social Media