アップル、マイクロソフトのディスプレイカバーアイディアを採用？

In August last year Microsoft Research showed of a Display Cover concept for their Surface, which would add a thin film e-ink display that extends the available screen real estate of the slate device by up to 8%. The display would  be  bistable due to electrophoretic ink, reducing the secondary screen’s impact on battery life. The screen would be