On-line business directories featuring information technology company and solution listings, automated sales lead-delivery options, document storage, and reports; mailing list rental services; providing an on-line directory of information technology, providing an on-line directory of information technology white papers, providing non-downloadable e-mail newsletters in the field of information technology for information technology professionals, on-line advertising services, on-line information services, on-line information technology news, providing on-line information featuring employment hiring, recruiting and career networking in the field of information technology