The bad news is that less-educated adults with significant work experience and younger, inexperienced adults who are ill prepared for, or unable to afford, college may be increasingly excluded from future economic gains.
This widening inequality has been described as the result of a broader trend toward “occupational polarization.”4 This theory posits that the diffusion of computer-related  3  To date, researchers have been hard-pressed to uncover an explanation for all these declines in worker mobility.