All forms of tobacco advertising, promotion or sponsorship are prohibited. Many countries have restrictions on cigarette advertising, promotion, sponsorship, and marketing. Membership was opened to individuals, with corporate membership being in the form of sponsorship. The charter permitted other parties wishing to participate to set their own sponsorship requirements. Idols can also earn revenues from endorsements, merchandise, corporate sponsorship deals and commercials. The name change was due to a change in corporate sponsorship. No prize due to lack of sponsorship. Another contributing factor was Griffith-Joyner's unhappiness with the lack of sponsorship and endorsement opportunities. Advertisers began to realize the significance of demographics revealed by sponsorship of different radio programs. This made it difficult to attract serious sponsorship. GEICO has long been involved in motorsports sponsorship. Kenseth was disappointed because they were unable to attract major sponsorship. Often, sponsorship agreements respect traditional colours. This was the first year for the new series sponsorship. The Shunga rulers helped to establish the tradition of royal sponsorship of learning and art.