I still don't think the Storm2 would be a big competitor with the iPhone.. My cousin has the new iPhone 3Gs 32GB and it is a really cool device, but Its the reliability of the BlackBerry and Push Email that keeps me, BlackBerry is a big communication device, while the iPhone is more of "toy" in my opinion.
All depends what the consumer wants, which depicts what they get.
8830 -> 8330 -> 9550 -> 9650
Just think about how far BlackBerries have come from then till now... And what else is coming.
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