Data transmission; elecrtonic mail; communications by telephone; communications by satellite; global positioning satellite transmissions; communication equipment (rental of -); cellular telephone communication; computer terminals (communications by -); data communications equipment (leasing -); Internet service provider (ISP) services; providing telecommunications connections to a global computer network; providing user access to a global computer network (service providers); rental of facsimile apparatus; rental of message sending apparatus; rental of modems; rental of telecommunication equipment; rental of telephones; satellite transmission; telex services; transmission of global positioning signals for navigation purposes