Answer:
It's a game played by serious people that takes place on a global scale.
I am the heart that does not beat. If cut, I bleed without blood. I can fly, but have no wings. I can float, but have no fins. I can sing, but have no mouth.
My children are near and far. No matter that I know where they are. The gift I give them make their day. But if I were gone they would wander away.
My life can be measured in hours. I serve by being devoured. Thin, I am quick. Fat, I am slow. Wind is my foe.
Ten men's strength, ten men's length. Ten men can't break it, yet a young boy walks off with it.
What never gets any wetter no matter how hard it rains?