This article explores the ways academic libraries can exploit Web 2.0 technologies and techniques to create Current Awareness Service (CAS) mashups for campus virtual environments. Described are Portland State University Library's efforts to create a CAS site called "Topic Watch;" the criteria used to select humanities and business content for the project; and an overview of the technology employed to combine data from disparate sources into the service. Also summarized are the challenges and issues the library faced during development and future steps to be taken to incorporate the new resource into the campus virtual environment.