An optical track pad and touch screen ensures the interface is easy and simple to use.

ENGADGET: Samsung debuts new Galaxy lineup, refines naming strategy along the way

But, starting in the nineteen-thirties, music soundtracks were added to silents, and the films needed to move through the projector at twenty-four frames a second, so that the optical sound reader could handle the music track.

NEWYORKER: The Artists

If the company's track record on such things holds, the optical drive may be doomed.

CNN: Why disc drives are an endangered species