Advertising; business management, organization and administration; office functions; search engine optimization for sales promotion; development of advertising concepts; shop window dressing; organization of trade fairs and exhibitions for commercial or advertising purposes; organization of trade fairs and exhibitions for commercial or advertising purposes enabling customers to conveniently view and purchase those goods; the services may be provided by retail stores, wholesale outlets, through vending machines, mail order catalogues or by means of electronic media, for example, through web sites or television shopping programmes