David DiBiase is a Senior Lecturer in the Department of Geography at the Pennsylvania State University. He is the author and instructor of Geography 121: Mapping Our Changing World, a course in geographic information literacy for on-campus learners. He also serves as the Faculty Coordinator for the World Campus Certificate Program in GIS , A four-course sequence offered via the Web and CD-ROM for off-campus learners. He is the Director of the George F. Deasy GeoGraphics Laboratory which does Applied information design for interactive and print media.