The document provides guidance on building and managing online communities. It defines community management and discusses why companies build communities, including for market research, R&D, collaboration, evangelism, and customer service. It outlines the key aspects of community management like growing, building, and nurturing a community. It also discusses tools, leadership, culture, community managers, and best practices. It provides tips for understanding audiences, demonstrating value, building the right community, being realistic, and supporting community managers.