This document discusses how epidemiologists can use social media. It begins by defining social media and examining its current uses in healthcare. It then outlines how social media can be used for collaboration, sharing information, and research. Specific ways epidemiologists can utilize social media include using it to brand themselves as experts, find knowledge and resources, and share their work. The document concludes by providing actionable steps epidemiologists can take immediately to improve their social media presence and make use of its opportunities.