Today, Linden Lab officially unveiled Second Life, a rapidly growing and constantly changing 3D online society, shaped entirely by its residents. In Second Life, Linden Lab has pioneered real-time 3D streaming technologies and advanced compression capabilities to create a persistent, contiguous landscape where residents can discover a world of exploration, socializing, creativity, self-expression, and fun unlike any other.

Word on the street is that this is next-gen MUDs/MOOs… Of course, it’s also interesting to pay attention to what is coming down the line from There.com