Handheld and mobile digital electronic devices for the sending and receiving of telephone calls, faxes, electronic mail, video, instant messaging, music, pictures, audiovisual and other multimedia works, and other digital data, for use as a digital format audio player and gaming device, for use as a handheld computer, personal digital assistant, electronic organizer, electronic notepad, and digital camera, and for use as a remote control for thermostats, televisions, audio equipment vehicles,...