This document provides an overview of how Twitter can be used for academic teaching. It discusses setting up Twitter profiles and using hashtags to support specific modules. Twitter allows asynchronous communication of key information and questions. It can enhance lectures by allowing a backchannel for student questions and interaction. While participation cannot be enforced for undergraduates, information must also be provided through other channels. The document provides examples of how academics at York use Twitter and discusses best practices for using Twitter for both teaching and research.