If you’ve been following the buzz around artificial intelligence lately, you may have gotten the impression that machines will soon take over the world and destroy it. Hollywood is fueling the debate with the latest Marvel movie, Avengers: Age of Ultron, and Columbia Pictures’ Ex Machina -- two films about what bad can happen when machines go rogue and utilize big data to render an unpleasant judgment on humanity, either because machines are so task-oriented and void of any reasoning, or because the humans they are learning from are corrupt themselves.