The document provides an overview of popular social media outlets for individuals and businesses to engage online audiences, including websites for networking, sharing content, and monitoring discussions. It describes platforms for professional and personal connections like LinkedIn and Facebook, sharing content through blogs, photos and videos on sites like YouTube and Flickr, and tools for finding and engaging with discussions on topics of interest on Twitter and through RSS feeds and alerts. The document also offers suggestions for measuring effectiveness of social media efforts through monitoring and analytics services.