They apparently think it does. Philosophically and personally, I prefer more open platforms, but it's one of two things - either they're running some cost/bene

They apparently think it does. Philosophically and personally, I prefer more open platforms, but it's one of two things - either they're running some cost/benefit analysis that says it's a good move strategically - more sales or easier to preserve a better brand image or more secondary sales. Or, and this is quite possible too, they agree to some basic security measures by contract with a partner of theirs - perhaps AT&T in Apple's case.