This document discusses social media and how companies can use it for customer communication. It defines social media as web and mobile technologies that allow for interactive dialogue and user-generated content. Some key facts about social media usage are provided, such as people spending over 6 hours per day on social networking sites and 93% of businesses using it for marketing. The document explores how social media allows companies to build relationships with customers, create product awareness, promote products, and provide customer support. It also discusses analyzing social data to identify customer attributes and communication opportunities while addressing challenges of managing social media communication.