How to keep AI from killing us all

We're currently in the final phase of AI development, in which we've advanced past teaching computers to follow rules and evaluating the best solutions to problems. With a clearly defined goal and enough data to parse, AI can now learn how to arrive at a solution on its own. That's both exciting and terrifying all at once, says data scientist and YouTuber Siraj Raval on stage at TNW Conference in Amsterdam. According to him, the danger we now face in the 21st century is that governments and corporations can arm themselves with powerful AI to control societies, and we need a way to tackle that. What are we afraid of, specifically?