Device-independent access means that the user may interact with document with a preferred input (or output) device -- mouse, keyboard,voice, head wand, or other. If, for example, a form control can only be activated with
	a mouse, someone who is using the page without sight, with voice input, or with a keyboard will not be able to use the form. The device on the next slide is a very common braille computer, with built in modem.