Ad serving, namely, placing advertisements on websites for others using specialized computer software; Business management for a trade company and for a service company; Business services, namely, timekeeping services for others; Import and export agencies; Marketing research in the fields of cosmetics, perfumery and beauty products; Modeling services for advertising or sales promotion; On-line advertising on a computer network; On-line wholesale and retail store services featuring downloadable sound, music, image, video and game files; On-line wholesale and retail store services featuring auto parts, clothing, jewelry; Professional business consultancy; Providing and rental of advertising space on the internet; Provision of an on-line marketplace for buyers and sellers of goods and services; Systemization of information into computer databases