What's Yours Is Mine

The news is full of their names, supposedly the vanguard of a rethinking of capitalism. Lyft, Airbnb, Taskrabbit, Uber, and many more companies have a mandate of disruption and upending the “old order”—and they’ve succeeded in effecting the “biggest change in the American workforce in over a century,” according to former Secretary of Labor Robert Reich. But this new wave of technology companies is...