35 Activity pursued on behalf of and/or in favour of others in the advertising and business sector; public relations and market research services; services in the area of the Internet or services for online shopping or management of data banks relating to sale of goods, including product information and advice for consumers; administration in relation to sales methods; retail sale services in relation to watches; advertising, for others, relating to marketing and sale of articles of perfumery and cosmetics, preparations for household use, optical goods, watches and chronometers, jewelry, furnishing; negotiation and completion of business affairs for others, on electronic communications networks.