While the blinking capture light is helpful for ensuring that doodles are being digitized, it may attract the curious.

ENGADGET: Switched On: More options for getting from scribble to screen

The little book that Bauby composed by blinking while a secretary ran through the alphabet serves as the basis for this astounding movie, which was directed by Julian Schnabel and written by Ronald Harwood.

NEWYORKER: The Diving Bell and the Butterfly