This document provides an overview of how to use Twitter for professional learning and in the classroom. It introduces Twitter basics like following others, hashtags, retweets and direct messages. Suggested uses for teachers include following experts in your field, collaborating with other educators, sharing resources, and facilitating backchannel discussions or foreign language practice for students. Tools for Twitter and resources for teachers on educational uses are also listed. The presentation aims to demonstrate how Twitter can enhance professional development and classroom instruction.