DOWN IN THE VALLEY: The Uncanny Valley...

"Mori’s research indicated that people feel comfortable or empathetic with non-human creations that are made to appear human only up to a point. Like if you have a robot, he may be a simple mechanical man, and that’s fine; you add some human features such as life-like arms and legs, or maybe a human-looking or even goofy face, and that’s pretty cool; but when you go too far, and the robot (or cartoon) resembles a human being too closely, or just enough to bug us"