PC World - Research In Motion (RIM)--maker of the semi-ubiquitous BlackBerry smartphone--revealed a slick, iPhone-esque preview of the upcoming BlackBerry 6 (BB6) platform yesterday. While RIM owes it to its loyal customers to keep up with the competition in terms of innovative features, the reality is that BlackBerry is so entrenched in the enterprise that switching platforms would not be a good business decision in most cases.

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