In this Monday, Jan. 14, 2013, photo author Martin Ford, 49, poses for a portrait in San Francisco. Ford's book, "The Lights in the Tunnel" describes a nightmare scenario where

... more 

In this Monday, Jan. 14, 2013, photo author Martin Ford, 49, poses for a portrait in San Francisco. Ford's book, "The Lights in the Tunnel" describes a nightmare scenario where machines leave 75 percent of American workers unemployed by 2089. Consumer spending collapses. Even those who are still working slash spending and save everything they can; they fear their jobs are doomed, too. (AP Photo/Jeff Chiu) less 

1 / 7
Associated Press
Thu, Jan 24, 2013 12:15 PM EST