This document provides an introduction to using Twitter for learning and development purposes. It begins with defining social media and social learning. It then explains what Twitter is, how to set up an account, and some common Twitter terms. The document discusses how social media and social learning are converging and the benefits of using Twitter for learning. It provides examples of how Twitter can be used in learning contexts and discusses the "back channel". It concludes by recommending some Twitter accounts to follow and assigning homework to create an account and tweet to enter a raffle.