How Amazon gets Prime Day orders to your house in just one day

Amazon's biggest shopping event is here, and now one-day shipping is the norm for tens of millions of items available on Prime Day. To succeed at this rapid delivery, Amazon spends tens of billions of dollars every year and employs 250,000 workers in its U.S. warehouses. The process is an incredible challenge, and Amazon has faced criticism about working conditions at every step of the process. Watch the video to see what happens when you buy a Prime-eligible item on Amazon.com.