On-line advertising on a computer network; Advertising and publicity services; Advertising consultation; Advertising and advertisement services; Providing information pertaining to procurement, buying, selling and tendering information and opportunities relating to goods, services, and construction via computer, computer networks, telephone, the internet or electronic mail; Electronic commerce services, namely, providing information about products via telecommunication networks for advertising and sales purposes; Providing marketing information via a website; Promoting the goods and services of others via a global computer network; On-line promotion of computer networks and websites