If you listen to techno-dystopians, the outlook for workers is grim. Robots are already taking over repetitive human tasks, and soon they’ll come for the rest. But what’s striking about the later stages of the U.S.’s 10-year-old expansion is how labor-intensive it’s been, with 2.7 million jobs added last year. Smarter machines, it turns out, often require more people. That may be part of the answer to a question that puzzles economists: How come the steady digitization of almost everything isn’t making the economy more efficient? Read more from Bloomberg Businessweek.