This document discusses how businesses can leverage social media. It begins by outlining common social media adoption trends among businesses. It then explores how social media can be used across different business functions like marketing, HR, operations and leadership. The top social networks for business are identified as Facebook, Twitter, LinkedIn and blogs. The importance of content marketing through blogging is also discussed. The document addresses whether social media ROI is real by providing examples of how to calculate ROI and both positive and negative case studies of social media ROI for companies.