Provision of enterprise-wide information technology platform via a global communications network; computerized information and interactive online services for and among the business community, accessed via a global communications network for the exchange of information and for business-to- business transactions; enterprise-wide hosted services, including email, remote access, human resources, finance, web conferencing, travel, and expense management, recruiting management, and sales force automation, monitoring and decision support; online centralized customer portal for procurement, delivery, support, and billing of services for others; computerized on-line services, namely, a forum for business-to-business transactions involving the buying and selling of goods and services; management of call centers for others