Ad serving, namely, placing advertisements on websites for others using specialized computer software; Advertisement for others on the Internet; Advertising analysis; Advertising on the Internet for others; Advertising research; Advertising services of a radio and television advertising agency; Advertising services, namely, promoting and marketing the goods and services of others through all public communication means; Development, operation and administration of digital signage systems and digital advertising systems for others, namely, providing advertising space by electronic means and global computer information networks; Electronic commerce services, namely, providing information about products via telecommunication networks for advertising and sales purposes; Internet advertising services; Marketing consulting, namely, development of marketing campaigns for others; On-line advertising and marketing services; Pay per click (PPC) advertising management services; Pay per click advertising; Services of advertising agencies