Advertising services, namely, cost-per-action on-line advertising; Advertising services, namely, promoting and marketing the goods and services of others through all public communication means; Advertising services, public relations and marketing services, namely, promoting and marketing the goods and services of others through all public communication means; Advertising, marketing and promotion services; Marketing and consulting services in the field of promoting and tracking the goods, services, and brands of others through all public communication means; Marketing services in the field of web site traffic optimization; On-line advertising and marketing services; Pay per click (PPC) advertising management services; Pay per click advertising; Planning, development, maintenance, tracking and reporting of online marketing activities for third parties; Preparation and realization of media and advertising plans and concepts; Promoting, advertising and marketing on-line web sites of others; Promoting, advertising and marketing the on-line databases and electronic publications of others; Promotion and marketing services and related consulting; Providing information in the field of marketing and on-line marketing media via the Internet; Providing marketing information via a website; Provision of space on websites for advertising goods and services; Rental of all publicity and marketing presentation materials