Are Two Tablet Screens Really Better Than One?

Sony announced their dual-screened S2 tablet today. It's not the only twin-screen tablet, but considering recent ill-conceived efforts from the likes of Acer, Toshiba and Kyocera, we're a little skeptical. With the S2, Sony's basically cut a 10-inch screen in half and stuck a hinge in between. How much of a benefit can … » 4/26/11 11:38am 4/26/11 11:38am