42 Software as a service (SaaS) services, namely, providing a software for scheduling meetings based on user interaction, multiple modes of communication via computer networks, communication networks and the global information network via instant messaging, file transfer, and sensing and providing user presence information; Software as a service (SaaS) services, namely, providing, namely, providing a software for scheduling meetings based on user interaction, multiple modes of communication via computer networks, communication networks and the global information network via instant messaging, file transfer, and sensing and providing user presence information; Providing non-downloadable software for providing a software for scheduling meetings based on user interaction, multiple modes of communication via computer networks, communication networks and the global information network via instant messaging, file transfer, and sensing and providing user presence information; Providing non-downloadable software for providing a software for scheduling meetings based on user interaction, multiple modes of communication via computer networks, communication networks and the global information network via instant messaging, file transfer, and sensing and providing user presence information