Four-year-old Eddie might behave like a typical young boy. Outside of the Second Life virtual world, however, he is anything but.
The child is a product of logic-based artificial intelligence and complex modelling techniques, and operates on what has been said to be the most powerful university-based supercomputing system in the world.
A creation of researchers from Rensselaer Polytechnic Institute, Eddie has his own set of beliefs, and the ability to reason about his beliefs to draw conclusions in a manner that matches human children his age.
This includes a partially-developed "Theory of Mind", which allows him to understand, predict and manipulate the behaviour of other agents and of even human players, with whom researchers expect the technology to be able to one day interact with in the real, physical world.