'AI 2041' Review: Tales From an Algorithmic Tomorrow

Now the threat is artificial intelligence. Or is it really a hope? Only three years ago, computer scientist Kai-Fu Lee published "AI Superpowers," a bestselling guide to the subject. But three years is a long time. In "AI 2041: Ten Visions for Our Future," Mr. Lee has teamed up with sci-fi writer Chen Qiufan to tell us what's going to happen next.