The document discusses the emergence and growth of Twitter as a social media platform. It began in 2006 as a SMS-based service called TWTTR to share thoughts and locations but has grown significantly, with traffic increasing nearly 1000% from 2008 to 2009. The document provides guidance on how organizations can use Twitter for purposes like PR, event promotion, and customer feedback. It covers best practices like personalizing profiles, engaging in conversations, encouraging feedback, and monitoring Twitter analytics. Tools for monitoring and engaging are also discussed, as well as common mistakes to avoid like overuse of text speak or inappropriate content.