Business marketing, communication management, and event invitation and response management services, consisting of distributing invitations, announcements, solicitations, advertisements, and messages via electronic mail, sending follow-up communications via electronic mail, receiving responses, orders, payments, and information via a global computer network, and creating and updating databases of responses, orders, payments, event related information, event resource information, mailing lists, and information related to events, announcements, invitees, clients, customers, members, and prospects which are accessible via a global computer network