It's an emerging marketplace, worth billions of dollars, and many Americans don't even know it exists. In virtual worlds like "Second Life" or "World of Warcraft," members buy and sell everything from clothes to real estate for their online selves. The goods may not be "real" but the money often is. Join Kojo for a tour of virtual economies and explore the debate over whether they should be more tightly regulated.
WAMU 88.5 FM American University Radio - The Kojo Nnamdi Show for Tuesday September 25, 2007
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