Business consulting in the ?eld of marketing and a?liate marketing; advertising agencies, marketing agency services and a?liate marketing agency services; advertising; online advertising network matching services for connecting advertisers to websites; online advertising, marketing and a?liate marketing on a computer network; online advertising on a computer network; preparation of advertisements for use on webpages on the internet; web site tra?c optimisation; provision of advertising space by electronic means and global information networks; promotion, advertising and marketing of on-line websites; creation and dissemination of advertising material for others on a worldwide computer network; development of online marketing strategies and creation of online advertising programs; sales promotion for others; preparation, organisation, management of incentive schemes for the purpose of advertising, promotion and customer loyalty for others; organisation and management of business sales, promotional, customer loyalty and rewarding incentive schemes for others; administrative services in the framework of organisation and management of vouchers, coupons and o?ers for the promotion of goods and services of others; promotion of goods and services of others by means of promotional contests and awarding contest prizes; advisory services with respect to the aforementioned services; designing of advertising materials