The term "reference service" is defined simply as personal assistance provided to library users seeking information. Individuals who hold a master's degree in the field of library and information sciences or information studies typically provide the service. Reference librarians are variously referred to as "mediators between the user and the information" and "navigators of the information super-highway." Reference service traditionally has been offered in person at a designated desk within the library building, over the telephone, and through correspondence. More recently, libraries have expanded to offer reference service electronically via the World Wide Web, e-mail, and even twoway videoconferencing. Another form of reference service is classroom and one-on-one instruction in the use of print and electronic resources. Regardless of the delivery method, the value of reference service remains the same: to provide quality information through personalized service to library users...