Arranging and conducting trade shows in the fields of entertainment activities in the nature of comedy acts, music acts, performing arts performances, novelty acts, disc jockeys, entertainment performers, artists, entertainment acts, educational activities in the nature of lectures and workshops, campus life activities in the nature of films and lectures, and business opportunities for student-run retail vending, all for colleges, universities and military facilities; providing a cooperative and group purchasing program, namely, administration of a discount program whereby cooperative and group buyers are provided discounted prices for the goods and services of others, in the fields of entertainment activities in the nature of comedy acts, music acts, performing arts performances, novelty acts, disc jockeys, entertainment performers, artists, entertainment acts, educational activities in the nature of lectures and workshops, and campus life activities in the nature of films and lectures, all for colleges, universities and military facilities; cooperative advertising and marketing services by way of solicitation, customer service and providing marketing information via web sites on a global computer network; advertising services, namely, promoting and marketing the goods and services of others through all public communication means; business management and planning services for the nonprofit organizations and educational associations of others