"I'm increasingly inclined to thing there should be some regulatory oversight, maybe at the national and international level just to make sure that we don't do something very foolish."
http://www.cnet.com/news/elon-musk-we-are-summoning-the-demon-with-artificial-intelligence/#ftag=CAD590a51e
I find it very useful to have posts like these as an emotional counter to the echo chamber effect. Obviously this has little or no effect on the average LW reader's factual standpoint, but reminds us both of the heuristical absurdity of our ideas, and how much we have left to accomplish.
I, for one, love that guy's blog.