This volume examines how social media is evolving as an industry-it is an extension of traditional media industries, yet it is distinctly different in its nature and ability to build relationships among users. Examining social media in both descriptive and analytical ways, the chapters included herein present an overview of the social media industries, considering the history, development, and theoretical orientations used to understand social media. Covered are: * Business models found among the social media industries and social media as a form of marketing. * Social media as a form of...