Chris Foresman does some quick math on how the iPhone is doing marketshare-wise in the US:

Combined, the iPhone netted 61 percent of smartphone sales from the two largest US carriers, which share two-thirds of the US mobile market. Most of the remaining sales were shared among various Android device makers.

It annoys me that this type of comparison is only possible by totaling up the carriers’ numbers. Why doesn’t Samsung, HTC, LC, et. al. report units sold – not units shipped – like Apple?

I just cannot fathom a reason to hide that information, or why their stockholders allow them to.