Computer services, namely creating and maintaining online marketplaces for others; computer services, namely providing online access to computer software for use in creating and maintaining online marketplaces, information management, multimedia management, business to business negotiations and transactions, electronic commerce, procurement and payment, and other business applications, by means of enterprise-wide global computer networks, design for others of online business to business infrastructures for intra- and cross-enterprise marketplace development in a wide variety of fields over the global computer network; hosting web sites of others on a computer server for a global computer network; technical consultation in the field of computer software and hardware; computer software design for others; and technical supervision in the field of creating and maintaining online marketplaces for business-to-business transactions