Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson Photo gallery: Go inside an Amazon fulfillment center ROMEOVILLE, IL - AUGUST 01: Workers pack and ship customer orders at the 750,000-square-foot Amazon fulfillment center on August 1, 2017 in Romeoville, Illinois. On August 2, Amazon will be holding job fairs at several fulfillment centers around the country, including the Romeoville facility, in an attempt to hire more than 50,000 workers. (Photo by Scott Olson/Getty Images)Photo by: Scott Olson