Audio digitizers; computer interface devices; computer interface units; computer peripheral devices; digital telephone sets; digitizers; mobile phones; mobile radio broadcasting units; mobile radio receiving apparatus; mobile telephone sets; mobile telephones; portable radio communications receivers; portable radios; portable radio-telephones; portable receivers; portable telephone sets; portable telephones; portable telephones combined with television remote controls; radio frequency transmitters; radio receivers; radio receiving sets; radio receiving tuners; radio transmitters for use in radio telephones; remote control units for computers; telephone receivers; telephone transmitters; wireless telephones; computer hardware; computer peripherals; telephones; computers; computer hardware, computer peripherals and computer software for use in personal information management and for use in database synchronization with other computers; electronic devices, namely, voice and manually-activated personal computer devices for managing information and for use in exchanging information with other electronic devices and computers; electronic devices, namely, wireless telecommunication devices; electronic devices, namely, wireless, hand-held personal computers; computer software for use in managing personal information and for use in communicating via computer networks, global communication networks and the Internet; computer software for transmitting and receiving electronic mail, text, graphics, audio, video and data; computer software for use in accessing global communications networks; computer telephony software; and instruction manuals sold therewith