In the meantime, the phone will let you scroll by tilting it back and forward, which seems like it might be a nice upgrade over having to touch the scroll bar all the time.

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Some of us could barely complete a thought without touch pads or scroll buttons, but we understood that high-speed data systems did not belong here.

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The bottom-left 4 x 4 pads represent drum sounds (touch the slider to scroll up and down through even more sounds), while the bottom-right quarter of the grid serves as a clip-length control (press and hold the first pad, tap the fourth for a four-bar loop, etc.).

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There are behavior scientists and sociologists looking at whether we are moved to scroll down a page or touch a screen, whether we bookmark something, link to it, tweet it.

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The UI takes advantage of the touch-screen with an "intuitive click, drag, and scroll" navigation.

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Its novel touch-sensitive display is reminiscent of the iPod's nifty scroll wheel.

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Moving on, the Zone Touch Mouse T400 has a touch strip that you can use to move up and down through pages, as well as scroll through the live tiles on the Start Screen.

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User-defined Touch Strips, conveniently placed on the back of the display can also be used for such functions as zoom, scroll, brush size adjustment and canvas rotation.

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