The document discusses how social media, specifically Twitter, can be used effectively for business purposes. It begins by defining social media and its importance. Several statistics are provided about the growth and usage of popular social media sites like YouTube, Twitter, and Facebook. The rest of the document provides guidance on setting up and using a Twitter account for business, including creating a profile, finding people to follow, engaging with your community through questions and retweets, and using tools to help manage resources. Examples are given throughout on how businesses can leverage Twitter for objectives like PR, promotions, customer service, and building authority.