PGTV Store of the Month: Kroger Cold Spring, Ky.

From the outside, the 55,000-square-foot Kroger store in Cold Spring, Ky., looks like a regular large supermarket. But this location has served as a laboratory to study the latest in-store technologies, and Kroger is setting the standard for how food retailing will be conducted in the 21st century. Welcome to the Supermarket of the Future.