The document discusses how public libraries are using Web 2.0 technologies to promote information literacy. It defines information literacy as the ability to recognize when information is needed and locate, evaluate, and effectively use that information. Public libraries play a role in teaching patrons how to find information both physically and online, as well as how to evaluate information from various sources and properly use and cite it. The document reviews literature on this topic and provides examples of how libraries are already promoting information literacy through social media. It concludes by requesting additional sources on the integration of Web 2.0 in information literacy instruction.