Demonstration of goods; Presentation of goods on communication media, for retail purposes; Compilation of information into computer databases; Data search in computer files for others; Distribution of samples; Marketing; Modeling for advertising or sales promotion; Sales promotion for others; Systemization of information into computer databases; Compilation of statistics and opinion polling; Advertising, business management, business administration and office functions; Marketing research; Telemarketing services; Advertising by mail order; Organization of exhibitions for commercial or advertising purposes; On-line advertising on a computer network .;