One word, ROBOTS!

This is fascinating. Instead of workers running miles through Amazon's distribution center to get your purchase out to the mail, robots have taken over!

An article from explains how 15,000 wheeled robots crisscross Amazon's biggest warehouses. The company has 109 shipping centers around the world, 10 where Amazon uses these robots.

There are no humans?

Wrong. At the Tracy, California center alone, Amazon employs 1,500 full-time workers to assist 3,000 robots in a warehouse that is almost the size of 28 football fields.

Read more about how these operate, it really is amazing, especially if you've ever bought anything from Amazon.