Answer:
Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble.
It's a game played by serious people that takes place on a global scale.
What is long and slim, works in light. Has but one eye, and an awful bite?
What type of paper can you neither read nor write on?
When I get closer my tail grows longer, but when I go away my tail leads the way.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.