the bringing together, for the benefit of others, of a variety of goods, excluding the transport thereof, enabling customers to conveniently view and purchase those goods; such services may be provided by retail stores, wholesale outlets, through vending machines, mail order catalogues or by means of electronic media, for example, through websites or television shopping programmes; advertising, marketing and promotional services, for example, distribution of samples, development of advertising concepts, writing and publication of publicity texts; shop window dressing; public relations services; production of teleshopping programmes; organization of trade fairs and exhibitions for commercial or advertising purposes; search engine optimization for sales promotion; commercial assistance services, for example, personnel recruitment, negotiation of business contracts for others, cost price analysis, import-export agency services; administration services relating to business transactions and financial records, for example, book-keeping, drawing up of statements of accounts, business and financial auditing, business appraisals, tax preparation and filing services; commercial administration of the licensing of the goods and services of others; services consisting of the registration, transcription, composition, compilation or systematization of written communications and registrations, and also the compilation of mathematical or statistical data; office functions, for example, appointment scheduling and reminder services, data search in computer files for others, computerized file management, telephone switchboard services.