As I said earlier:
So no I don't believe marketing fluff and concede that AT&T made mistakes in estimating demand. And I completely agree that the lack of 850 is stupid. I was just pointing out a flaw in your otherwise valid argument. Sorry, wasn't trying to be a smartass, just couldn't resist.
Don't worry, he is ignorant for not researching before he makes a comment or simply fails at reading comprehension.