handheld and mobile digital electronic devices for the sending and receiving of telephone calls, electronic mail and other digital data, namely, handheld computers, personal digital assistants, electronic personal organizers, electronic notepads; blank magnetic data carriers; telephones, mobile phones, videophones, cameras; prerecorded computer programs for personal information management, database management software, electronic mail and messaging software, database synchronization software, computer programs for accessing, browsing and searching online databases, computer software and firmware, namely, operating system programs, data synchronization programs, and application development tool programs for personal and handheld computers; electronic handheld units for the wireless receipt and/or transmission of data that enable the user to keep track of or manage personal information; software for the redirection of messages, Internet e-mail and/or other data to one or more electronic handheld devices from a data store on or associated with a personal computer or a server; and software for the synchronization of data between a remote station or device and a fixed or remote station or device; computer hardware and software for providing integrated telephone communication with computerized global information networks; MP3 and other digital format audio players