This document provides an introduction to Twitter, including definitions of key terms like tweets and followers. It discusses how Twitter can be used to get real-time updates, connect with others, and broadcast messages. Examples are given of how various brands and individuals like CNN, Dell, and Shaquille O'Neal have built large followings on Twitter. The document also outlines best practices for setting up a Twitter profile and account, including choosing a username, photo, and network to follow. It explores ways to integrate Twitter into daily activities and tools that can be used to manage tweets.