Computer services, namely, providing temporary use of on-line, non-downloadable software [ for word processing, ] for creating, editing, laying out, printing, organizing, managing, sharing and access control of documents, and for collaborative authoring and editing of multimedia documents; providing temporary use of on-line non-downloadable software for use in creating, editing, annotating, viewing, sharing, storing and distributing interactive electronic documents, namely, Portable Document Format (PDF) files; computer services, namely, hosting on-line web facilities for others for organizing and conducting on-line, real-time meetings, interactive discussions and presentations, featuring electronic data sharing, document sharing, application sharing, computer screen sharing and text chat