Handheld mobile digital electronic devices for the sending and receiving of telephone calls, electronic mail, text messages, instant messages and other digital data, for use as a digital audio player, and for use as a handheld computer, personal digital assistant, electronic organizer, electronic notepad, and camera; portable and handheld digital electronic devices for playing, downloading, receiving, extracting, reviewing, authoring, transmitting, distributing, editing, encoding, decoding, m...