42 computer services, namely, hosting the sites of others on the world wide web for storage and use of engineering, construction, operational and architectural files, data and objects; providing non downloadable computer software enabling remotely hosted applications permitting user access to, and translation and manipulation of, compatible and non-compatible engineering, construction, operational and architectural files, data and objects over computer networks; providing nondownloadable computer software which tracks events, tasks, projects, and assignments, generates electronic reminders and other notices, schedules meetings, follows project discussion groups, selects documents and maintains user preferences