Two researchers from Cornell University gave cleverbot, (an online chatbot that interacts with, and learns from, humans in text form) 2 different voices and 2D avatars, and set the avatars up to talk to each other.
The conversation quickly descends into bizarre bickering about god, robots and unicorns.
“Dr. Loebner pledged a Grand Prize of $100,000 and a Gold Medal for the first computer whose responses were indistinguishable from a human's. Such a computer can be said "to think." Each year an annual prize of $2000 and a bronze medal is awarded to the most human-like
computer. The winner of the annual contest is the best entry relative to other entries that year, irrespective of how good it is in an absolute sense.”
Judge the conversation for yourself:
I tried it out...