In 1913 there were 13,623 people working for Ford Motor Company, but by 1915 this had increased to 18,028.[8][better source needed] Bradford DeLong, author of The Roaring Twenties, tells us that "Many more lined up outside the Ford factory for chances to work at what appeared to them to be (and, for those who did not mind the pace of the assembly line much, was) an incredible boondoggle of a job.[8]" There was a surge in the need for workers at big, new high-technology companies such as Ford. Employment increased greatly.