Five Best Business Smartphones

NEW YORK ( TheStreet) -- Brigades of hard-charging office workers were the first to adopt the smartphone and help create the category. With their Palm ( PALM) Treos and early BlackBerries from Research In Motion ( RIMM), business users ushered in the era of mobile email. That technology soon evolved toward the mass market mobile Internet that today is led by Apple's ( AAPL) iPhone and Google's ( GOOG) Android devices.

During the rise, RIM built an empire on enterprise devices that has effectively locked other players outside of the corporate firewall.
Blackberry Storm2

But a new generation of phones, characteristically controlled by fingertip gestures on big touchscreens, is out to crush the BlackBerry.

Here's a look at the five top business phone makers and where they fit in the organizational chart.

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