How Whole Foods has changed in the five years since Amazon took over

Five years ago, Amazon bought Whole Foods for $13.7 billion. Since then, there's been a lot of changes, including a new CEO starting Sept. 1. it added a palm-scanning payment option, hundreds of cameras and sensors to enable checkout-free shopping, and a "dark store" devoted entirely to online orders. We tried out the new high-tech shopping experience and take a look at how prices and product selection have changed since Amazon took over the specialty grocer in 2017.