With celebrities discussing Twitter on television talk shows, Facebook being used by people to share pictures of their grandchildren, and academic seminars being delivered in Second Life, it is hard to get through a day without being faced with some sort of social networking tool. Librarians often talk about the importance of outreach and of bringing services to the patrons in the places where they are located, and the author has heard many colleagues wonder about the efficacy or potential futility of delivering their services via these tools. This column will highlight some of the early research that has been done in this area, along with pointing out a few useful guides to getting started with various Web 2.0 technologies in a library setting.