Social media provide a host of opportunities for research communicators. From pithy microblogs, such as Twitter, to more in depth personal blogs, and for those seeking more interaction, opportunities to interact with followers on Facebook. The chapter briefly considers traditional media, pointing those interested to useful resources before moving on to explore what a digital profile is. In this context, we explore the challenge of choosing tools wisely in an environment where your personal and professional lives can easily merge. The chapter then considers blogs, Facebook and similar sites, and the virtual world Second Life through the lens of media richness and social presence theories.