Advertising; advertising agencies; advertising by mail order; advertising material (updating of -); advertising matter (dissemination of -); advertising space (rental of -); direct mail advertising; dissemination of advertising matter; exhibitions (organization of -) for commercial or advertising purposes; modelling for advertising or sales promotion; on-line advertising on a computer network; opinion polling; organization of exhibitions for commercial or advertising purposes; organization of trade fairs for commercial or advertising purposes; outdoor advertising; polling (opinion -); publication of publicity texts; publicity; publicity agencies; publicity columns preparation; publicity material rental; publicity texts (publication of -); radio advertising; radio commercials; rental of advertising space; rental of advertising time on communication media; television advertising; television commercials; trade fairs (organization of -) for commercial or advertising purposes; updating of advertising material