The US carriers want to be one step ahead of the curve that could lead to declining mobile voice revenues in markets where consumers still have the option to pick a voice minute bucket.

FORBES: The Most Common iPhone Mistake: Picking an Oversized Monthly Plan

When we ran that Curve 8900 review a couple weeks back, we were taken aback by the number of people writing in to ask what kind of phone was pictured to the right of the Curve in our lead-off image.

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