ELECTRONIC TRANSMISSION OF DATA, NAMELY, MESSAGES AND GRAPHIC IMAGES VIA COMPUTER TERMINALS; ELECTRONIC MAIL; TELECOMMUNICATION SERVICES, NAMELY, PERSONAL COMMUNICATION VIA MOBILE COMPUTER TERMINALS; ELECTRONIC TRANSMISSION OF FACSIMILE MESSAGES; MOBILE TELEPHONE COMMUNICATION; RENTAL OF TELECOMMUNICATION EQUIPMENT; PAGING SERVICES, NAMELY, PAGING VIA RADIO, TELEPHONE AND OTHER ELECTRONIC COMMUNICATION MEANS; PROVIDING MULTIPLE-USER ACCESS TO A GLOBAL COMPUTER NETWORK