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60 seconds with a giant, rollable display for your mobile devices
At some point, you've probably wished that your smartphone had a much larger screen to watch a movie or get work done... but you can't always lug a desktop display or tablet around, can you? If Insert Coin finalist RollRR has its way, you won't have to. It's developing rollable displays that would give your mobile devices a lot more visual real estate without consuming much space in your bag. The prototype on the Engadget Expand show floor is a 10.7-inch roll of e-paper attached to a giant tube, but the ultimate goal is to fit a 21-inch or larger screen (ideally, full color plastic OLED) into a gadget the size of a small umbrella. It's also considering touch technology like 3M's silver nanowires, so RollRR could expand your input area, too -- you could edit a large image on your phone just by unrolling the sheet on a table.
