Every day, we are inching closer to some kind of artificial intelligence.
At this point, it isn't so important whether we're talking about truly self-conscious machines or not. Advances in big data, machine learning and robotics are all poised to give us a world in which computers are effectively intelligent in terms of how we deal with them.
Should you be scared by this proposition? Based on a lecture I just attended, my answer is: "absolutely, but not in the usual 'robot overlords' kind of way."