This combination of Associated Press file photos shows, left, a teller at the Taipei Bank, in 2002, in Taipei, Taiwan, and the 2011 Bank of America mobile application on a mobile device. Many middle-class workers have lost jobs because powerful software and computerized machines are doing tasks that only humans could do before. (AP Photo)

Associated Press
This combination of Associated Press file photos shows, left, a teller at the Taipei Bank,  in 2002, in Taipei, Taiwan, and the 2011 Bank of America mobile application on a mobile device. Many middle-class workers have lost jobs because powerful software and computerized machines are doing tasks that only humans could do before. (AP Photo)
This combination of Associated Press file photos shows, left, a teller at the Taipei Bank, in 2002, in Taipei, Taiwan, and the 2011 Bank of America mobile application on a mobile device. Many middle-class workers have lost jobs because powerful software and computerized machines are doing tasks that only humans could do before. (AP Photo)
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