Communication by computer terminals; electronic mail services; computer and electronic based communication services including electronic transmission of data; provision of information by means of telecommunications equipment and facilities including on-line, Internet, public access database, facsimile and mail including electronic mail; electronic transmission of data via computer and communication networks; electronic transmission of data via the Internet; providing telecommunications links to the Internet; electronic mail services; instant electronic messaging services; video chat services; video conferencing services; providing virtual facilities for real-time interaction among computer users