Yeah, I guess the article does say "worldwide" market share. It's difficult, as a US consumer, to develop a view of overseas markets because things are so different here.

In the US, the differentiation you mention doesn't even exist, because all phones here come with a contract. Even obtaining "no contract" prices is difficult, and when you do get them, you still buy a locked phone that can't be used on another carrier.

It's like dealing with an organized crime syndicate.