It may be tempting to assume that growth in virtual worlds has ground to a halt. After all,There.com has shut down, and Second Life is losing land area and has stopped publishing most usage statistics. Attention has shifted to social networking platforms and mobile devices.
But the action hasn’t died off. Instead, it has shifted to proprietary, enterprise-class platforms like Teleplace, ProtoSphere, and VenueGen — and to the open-source platform, OpenSim.
