Computer application software and downloadable computer software applications enabling users to access advertising, marketing and promotional content including advertising agencies, advertising analysis, advertising provided via a database, design of advertising materials, on-line advertising on a computer network, pay per click advertising, planning of marketing strategies and plans, production of advertising films, provision of advertising space, time and media including the rental of advertising space, rental of advertising time on communication media, distribution of advertising, marketing and promotional material including dissemination of advertising matter, distribution of samples direct marketing, direct market advertising, electronic advertising, advertising, marketing and promotional consultancy, advisory and assistance, provision of an on-line marketplace for buyers and sellers of goods and services, negotiation and conclusion of commercial transactions between businesses and social media influencers, price comparison services, business management of performing artists, business management of sports people, business management for freelance service providers, collection and systematisation of business data including compilation of statistics, business data analysis; Downloadable computer software for processing electronic digital images and text; downloadable computer software for editing and publication in the field of electronic publishing; downloadable computer software for processing electronic images; downloadable image files; computer software for delivering advertising material and content to users of smartphones, tablets, smart televisions and other digital devices