A crash course in changing the world.
With the state of the world today, it is entirely possible that we could devolve to a barter economy. The economies of the world are so interconnected today that should some tragedy befall one nation, the rest of the world's economies would likely soon follow. In an effort to prepare for this, I undertook to practice my bartering skills. I traded the guys in the room next door a muffin in exchange for some soap.