February 14, 2012, 6:12 AM — There are too many Android smartphones to choose from, most with meaningless differences as so well parodied on "Saturday Night Live" this past weekend. But one real choice is the Droid 4, the latest version of Motorola Mobility's flagship Android smartphone. Sure, when it comes to its operating system and software, the Droid 4 is the same as Motorola's other business-oriented Android smartphones, such as the Droid Razr Maxx. But the Droid 4 has a significant hardware differentiator: its slideout keyboard.
Ever since the iPhone first shipped in 2007, there's been a contingent of mobile users who can't handle a touch-based onscreen keyboard, and as the world began to abandon the Research in Motion BlackBerry, the absence of an iPhone with a physical keyboard has kept many old-school users from switching. The original Droid, released in late 2009, essentially launched the Android device market we have today, providing the physical keyboard coveted by many. Since then, touch-only devices have taken the lion's share of smartphone sales, and subsequent Droid keyboard models have not done much to stem the tide.
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