The (partial) state of the mobile data market

Despite all the hype and excitement about the mobile data market, it is very difficult to get reliable data on how it's actually developing. The mobile operators don't like to release full details of their sales, and surveys of users cost a lot of money to conduct and therefore are usually available only to people who pay.We're left to chew on anecdotes, partial information released by companies that are trying to push a point of view, and unscientific "polls" of online enthusiasts.So I'm always...