I've been know to access http://m.facebook.com on my phone using Opera Mini. This is typically during class or while in a car, but according to this article I am in the minority.

I think that the iPhone will help this adoption, as users need to get used to accessing the web from their phone before they adopt mobile social networking.

America is nowhere near the leading position in mobile communication - how can it be leading in mobile social networking? I have the impression that this american journalist is so used to thinking that America leads the world in just anything that he does not checks this assumption any more.