PBS Off Book recently highlighted the economies within massive multiplayer online games (MMOG) in a video piece called “The Rise of Video Game Economies.”

While veteran gamers of multi-player games are aware of their in-game economies, the growth and complexity would surprise many outside their worlds.With hundreds of millions of players around the world, MMOGs’ in-game virtual economies generate huge real-world dollars.

So, PBS examines the rise of these video game economies, it’s history, potential, and future. It asks the question: “But with secondary economies, gold farming and other issues surfacing, are these systems in need of more attention, or even regulation?”