 Both Blockbuster and Disney (with "Pirates of the Caribbean") have participated in such special promotions.The program was one of several marketing campaigns that have come under fire from the Center for Digital Democracy, an advocacy group interested in regulating how food products are marketed to children.Coca-Cola's online marketing techniques were included in a 98-page report issued in May 2007 by the center and the American University called "Interactive Food & Beverage Marketing