Mind blowing opportunites for Learning 2.0 in games like Second Life. These are simulated worlds where you create your own avatars and environments. Could this be an opportunity for affordable online multiplayer simulations? There's already loads of courses being run in second Life, along with a training environment for medics in emergency management. Businesses abound showing that business sims. There's even a market in the virtual currecy. 'Linden dollars' trade higher than the Yen!