Computers; computer operating programs; computer utility programs; computer game software; computer graphics software; computer search engine software; computer screen saver software; computer software for use in database management; computer software for use as a spreadsheet; computer software for word processing; computer software for the collection, editing, organizing, modifying, book marking, transmission storage and sharing of data and information; computer software for communicating with users of hand-held computers; computer software for accessing information directories that may be downloaded from the global computer network; downloadable software for use in database management; downloadable software for use as a spreadsheet; downloadable software for word processing; computer software development tools; video telephones; mobile telephones; wireless telephones; Walkie-talkies; electronic and optical communications instruments and components, namely, optical transmitters, optical receivers, optical data links, optical transceivers, cable television transmitters, digital transmitters and communication link testers for testing communication links; switching equipment in the nature of telecommunications switches for program controlled phones; network communication apparatus, namely, computer network adapters, computer network hubs, switches and routers, local area network access points for connecting network computer users and network access server hardware; battery chargers; intercommunication apparatus, namely, intercoms