Advertising services including advertising services provided via the global computer network; rental of advertising space including rental of advertising space on the global computer network; dissemination of advertising matter including dissemination of advertising matter via the global computer network; compilation and systemization of information into computer databases; on-line advertising on a computer network; rental of advertising time on communication media; updating of advertising material; business information services; commercial information agencies; marketing research; publicity services; business management services; business administration services; office functions