Providing temporary use of non-downloadable computer software for business information services, namely, for data aggregation for use in lead generating and prospect tracking in developing sales leads; providing temporary use of non-downloadable computer software for evaluating and comparing business, commerce and industry data for use in enhanced sales, prospecting and business research; providing temporary use of non-downloadable computer software for namely, business and market research, business to business direct marketing; providing temporary use of a non-downloadable computer software for building customized lists, namely, lists of business, directory and firmographic data for use in business and market research and business-to-business direct marketing, and providing continuous updates to such lists