educational services, namely providing programs and courses, and conducting seminars, conferences and workshops, featuring topics taught in the classroom, professional development and training subjects in the field of education, technology training and parent training subjects, high school and college-level courses, and distance learning subjects; providing field trips in a wide variety of fields by means of a global computer network and by television; providing courses for high school and college credit; providing a wide range of information featuring educational topics by means of a global computer network; television programming and telecourses for educational purposes and for use by high schools and colleges for course credit and distance learning; and distribution of prerecorded audio and video programming and printed and course materials in connection therewith