Virtual cash
exchange goes live on BBC News (thanks Mike Martinez) discusses The Gaming
Open Market, which "allows players who control characters in games such as Star
Wars Galaxies, The Sims Online and Ultima, to buy and sell the currencies used
in the different game worlds." The hidden (not missing as I first presumed, thanks lugole) is here: The Gaming
Open Market.
This already happens. They are just legitimatizing it, and making it available to everyone. I see no problem with it. If the game companies were smart, they'd do this themselves and get a cut of the take.
Here is the blog of a guy that is trying to make a living doing this: