However, i think the US readers are missing the most important aspect: how many people in the world can you serve?
This is a system selling feature during a crucial generation. The speed they can rollout new languages, will determine the world market and the long tail, which will prove crucual.
Currently, Google has the best infrastructure to do that, but Apple seems to care more. I live in Holland, for example. No siri, but at least we can buy content from iTunes. Google isnt selling anything but apps in its playstore.
I think whoever is able to actually give me all these features first, wins Holland. Why would it be any different in any other country?
There are markets up for grabs, and the first one to realize that fully, wins.