This document provides guidance on using Twitter to promote a scientific journal. It recommends posting links to recent publications and journal content while emphasizing free access. It also suggests engaging in brand monitoring, audience building through following and retweeting others, and using Twitter as a communication channel to answer questions and promote the association. While initial follower numbers may be low, Twitter can draw new web traffic and contribute to scientific discussions by making the journal's content searchable. Analytics tools can measure the impact over time.