35 Market research services; Media research and rating services; Media research services regarding computer and computer network use; computer and computer network research services; demographic and consumer research services; providing market research and consumer research and consulting services, namely, conducting and analyzing consumer surveys and advertising and marketing studies; collecting data and providing reports concerning consumer products, books, music and video marketing and sales and consumer behavior; radio airplay information and analysis; conducting and analyzing population and product trend studies; collecting and analyzing demographic information and statistics; and providing statistical reports therefore; consumer opinion research and polling services; media research and rating services, namely, market research services relating to the broadcasting, narrow casting, cable, and network transmission, signal receiving audience demographics and behavior, and the listening, viewing, and usage habits of signal receiving audiences, computer users, and users of a global computer network; providing on-line electronic databases in the fields of advertising, marketing, market research, consumer surveys, retail store and product sales, trading areas, and demographic information; providing tactical comparative marketing and rating information for product and advertising management concerning brand advertising and spot markets, broadcast and narrowcast networks, and cable networks; and sales volume tracking for others, namely, the collection and dissemination of sales data for sports events, sporting goods, music, music videos, blank audio tapes, blank video tapes and related goods, and books, including printed, audio and electronic books sold on-line and by retail and wholesale stores