One hand shaking another: the image of agreement. But there’s a problem. The hands closing the deal in this month’s cover art have too many fingers, and they’re in impossible positions. The intentional uncanniness gets at the anxiety created by this year’s shifts in artificial-intelligence technology. New versions of the bots, raised on human output, can write code, tell stories, conduct analysis, give advice and draw pictures. But they are still a little foolish. For now.