Despite the internal similarities, it's much more difficult to get a cell phone on the market vs. a tablet. Unless you want to be resigned to the sidelines, you

Despite the internal similarities, it's much more difficult to get a cell phone on the market vs. a tablet. Unless you want to be resigned to the sidelines, you have to be able to convince the carriers to sell your phone. This is very difficult unless you: a) already have a good relationship with the carriers b) have someone like Steve Jobs Nokia at least has (a), Microsoft has neither (Verizon likely still has enough Kin that they won't be hurting for paperweights for quite a while). Microsoft can't afford to kill their only guaranteed in with the carriers.