An Unfriendly artificial intelligence (or UFAI) is an capable of causing to humanity, and having goals that make it useful for the AI to do so. The AI's goals don't need to be antagonistic to humanity's goals for it to be Unfriendly; there are to expect that almost any powerful AGI not explicitly programmed to be benevolent to humans is lethal. A is often imagined as an illustrative example of an unFriendly AI indifferent to humanity. An AGI specifically designed to have a positive effect on humanity is called a Friendly AI.