This document summarizes a presentation about using Twitter effectively. It discusses Twitter basics like hashtags and tweet anatomy. It also provides advice for health professionals on Twitter like having an informative handle, only tweeting about professional issues, and making your own ground rules. The presenter discusses how they use Twitter to get research updates, learn about their profession, follow others in their field, promote their work, engage in conversations, and hear from patients. Overall recommendations are provided on how to "Twittertend" a conference by virtually following it and networking through Twitter.