One of the rather unsung points TUAW posted after the Apple Event on Tuesday is that Apple had inked a deal for Japan's leading mobile carrier -- NTT DoCoMo -- to carry the iPhone for the first time. While that doesn't sound like a big deal, it stands to help out NTT DoCoMo a lot. The company has 61 million subscribers, but churn (subscribers leaving to go elsewhere) has been a problem.
How much of a problem? Well, research firm Kantar Japan says that a whopping two-thirds of those who have left
