Except that other markets absolutely do not show this level of iPhone market share.
So either American teens are very discerning of UIs, or they just try to fit in within a network of existing iPhone users.
So either American teens are very discerning of UIs, or they just try to fit in within a network of existing iPhone users.
Why even talk about other markets unless you can control for all of the other variables? The other markets are completely different, there is no market like the US market just like there is no market like the market seen in China or India...or maybe if you think as you do, you should ask the question why teenagers in the US market are more likely to try to "fit in" than other teenagers in other markets...