This document discusses using social media, specifically Twitter, in the classroom. It provides examples of how Twitter can improve engagement, participation, writing, community, learning and memory for students. It then gives an overview of Twitter, including what it is, how it works, and how users can customize their profiles. The document outlines how one professor used Twitter assignments to improve student writing by having them argue positions in 140 characters or less. It also provides lessons learned, positive outcomes, and suggests expanding the use of social media in the classroom to include Instagram and blogs.