Computer hardware; computer software; prerecorded computer programs for personal information management; database management software; character recognition software; telephony management software; electronic mail and messaging software, paging software; database synchronization software; computer programs for accessing, browsing and searching online databases; computer operating system software; application development tool programs for personal and handheld computers; handheld electronic devices for the wireless receipt and/or transmission of data, particularly messages; handheld electronic devices with video, phone, messaging, photo capturing and audio transmission functionality; software for the synchronization of data between a remote station or device and a fixed or remote station or device; Portable digital electronic devices and software related thereto; handheld digital electronic devices and software related thereto; digital audio players, including digital music players, and software related thereto; digital video players and software related thereto; MP3 players and software related thereto; handheld computers; personal digital assistants; pagers; electronic organizers; electronic notepads; collaborative filter software; dynamic and non-dynamic ad insertion software; hyperlinked video; digital rights management software; revenue sharing software and algorithms thereto