Providing temporary use of on-line non-downloadable software for word processing, creating spreadsheets, updating calendars, e-mailing, instant messaging; providing temporary use of on-line non-downloadable groupware for calendar sharing, collective writing, email management, shared database access, content sharing and management, providing personal organizer functions, managing data, customer relationship management, human resource management, recruitment management, sales and marketing management, account management, project management, knowledge database search and system search functionality