Play Money explores the remarkable new phenomenon of MMORPGs, or Massively MultiPlayer Online Role-Playing Games, in which hundreds of thousands of players operate fantasy characters in virtual environments. With city-sized populations, these games generate their own cultures, governments, and social systems and, inevitably, their own economies, which spill over into the real world. The desire for virtual goods-magic swords, enchanted breastplates, and special, hard-to-get elixirs-has spawned a cottage industry of "virtual loot farmers" people who play the games just to obtain fantasy...