By Julie Heath
Economists and policy makers are increasingly concerned about the hollowing out of the middle class—the computerization of jobs and entire occupations that once formed the backbone of a middle class lifestyle. Concern about computerization is not new. Many futurists have presented iconic images of robotic assembly lines for decades. In 1964, a group of scientists and economists—the Ad Hoc Committee on the Triple Revolution—warned President Johnson that computers would create massive unemployment, sooner rather than later. While the specter of mass unemployment did not materialize, technology has changed the labor market.