This document discusses how social media can be used in business to increase brand awareness and enhance value. It provides examples of how companies have successfully used blogs, microblogs, social networks, photo sharing, video sharing, and other social media to engage with customers, solve problems, and increase business. Specific strategies and case studies are presented from companies like Dell, Comcast, Barack Obama's presidential campaign, Cadbury, Netflix, Citrix, Sony, and Fancast.