With the DS we'd really like the idea of this linking coincidentally to be something that's unintentional, that happens when you don't even realize it.

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The bottom screen is 3 inches and is a touchscreen, like that of the Nintendo DS. A 3-D depth slider on the right side of the top screen lets you control how much 3-D effect is shown, from completely off to fairly deep 3-D.

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Users will be able to purchase 3-D movies to watch on the device's 3.5-inch screen -- larger than most previous DS systems and about the size of the iPhone's -- or stream video from Netflix.

CNN: Mark Milian