When you hear the term \u201cgig economy,\u201d you probably think of Uber or Lyft or Postmates - companies that have used apps to disrupt industries and create an army of 1099 workers. But according to Louis Hyman, a Cornell University historian and author of \u201cTemp: How American Work, American Business, and the American Dream Became Temporary,\u201d the gig economy is a lot bigger than Silicon Valley. And it has a much longer history than you might think.