Downloadable computer software to facilitate the electronic transmission of information, data, documents, voice, and images over the Internet; downloadable computer software which allows users to participate in web-based meetings and classes, with access to data, documents, images and software applications through a web browser; computer software for enabling users to communicate, collaborate, and share computer screens, desktops, data, electronic documents, video and applications via the Internet; software to enable uploading, posting, displaying, tagging, editing, organizing, and transmitting images and audiovisual works; software for audio and video conferencing, video and voice communications, instant messaging, Voice over Internet Protocol (VoIP) communication services, application sharing, computer desktop sharing, presence management, document management, application integration; computer software for scheduling and managing calendars, contacts, online meetings; computer telephony software; call processing software for the transmission of audio, data, video, and voice traffic; computer software for sending, storing, managing, integrating and accessing text and voice messages via telephone, electronic mail, personal digital assistants, and internal and global computer networks; computer software which allows users to participate in web-based meetings and classes and provides access to data, documents, images and software applications through a web browser; computer software that facilitates video and voice communications between parties