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Originally Posted by
solipsism 
Of course it will. Why it be going up with the iPhone coming online in more countries and more carriers around the world?
But wasn't that the original point of contention? Is the prominence of the US market currently declining? Clearly it is.
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Again, of course, which is why I stated that you have to look at the year of sales for a device that is released annually, not a single quarter.
I don't follow that logic. If the release date was at different times of the year, then what you demand makes sense, but the way Apple releases, Q1-09 was just as far from the most recent release as Q1-10 was. Both quarters had the same attributes on the plateau of Apple's annual cycle.
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Note that you disagreed with my comment about looking at annual sales trends over quarterly trends
If you can provide meaningful annual figures, I'd welcome them. But since you did not offer any other figures, your remark seemed more of a way to disregard the results of Q1, no?
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...but are proving my point with the statement quoted above.
Am I? If you want to compare yearly figures, you would have to calculate trailing twelve months figures for each quarter, ie 12 months to Dec'08, 12 months to Mar'09 etc.. Otherwise you would only have 2 figures to compare: calendar 2008 and calendar 2009, which is mightly little data to compile a stat with.
So what's wrong with quarters? Everybody is using quarters. I wouldn't compare launch to non-launch quarters, but equal quarters can and must be compared. And any way you slice it, AT&T share has gone down from about 45 % to about 33 %.
Maybe I'm just getting you wrong. In your opinion, what are the meaningful data points regarding AT&T's share? Do they show a decline or not?