BlackBerry Torch Levels the PDA Field

Momentum in the smartphone market has shifted in favor of Apple and Google, but BlackBerry maker Research In Motion hopes it can still reverse course before it's too late. RIM (RIMM) is widely expected to unveil a new touch-screen smartphone with a pull-out keyboard at a corporate event on Tuesday. The device is likely the much-hyped AT&T (T, Fortune 500) BlackBerry Slider 9800, leaked images of which have flooded the Internet over the past several weeks.

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