Will U.S. fans shell out cash for World Cup mobile TV?

As the first round of the World Cup progresses, it's providing an interesting petri dish on how U.S. fans consume the game.

Aside from the mainstay of watching the tournament on ESPN (and ABC), there are three main planks of the network’s strategy that bear watching.

First and foremost is whether U.S. fans will pay to watch on their cell phones. ESPN is breaking ground by offering live match coverage on mobile.

But are fans here willing to pay the price? Are they that devoted to the game, or the fortunes of the U.S. squad?