Updating and maintaining vehicle-related data in computer databases; collating of data in computer databases; arranging subscriptions to media packages; publicity, promotional and marketing services relating to vehicles; consumer profiling for commercial or marketing purposes; compilation of statistical data; provision of an online marketplace for buyers and sellers of goods and services; Subscription service business; administrative processing of computerized purchase orders; computerized on-line ordering services; subscription to an information media package; online publication regular subscription service; provision of commercial information from on-line databases