The following video is part of our "Motley Fool Conversations" series, in which analyst John Reeves and advisor David Meier discuss topics across the investing world.

McKinsey defines Big Data as "datasets whose size is beyond the ability of typical database software tool to capture, store, manage, and analyze." Data usage continues to grow exponentially, so Big Data is only going to get bigger. Companies embracing Big Data today can gain an advantage and be great investments tomorrow. In this next series of videos, John Reeves and David Meier discuss 10 great companies taking advantage of the Big Data trend. Today's company, coming in at number nine, is Amazon.com.

The retail sector is full of industry winners and losers. To learn about a few, we invite you to take a look at The Motley Fool's special free report "The Death of Wal-Mart: The Real Cash Kings Changing the Face of Retail." In it, you'll see which retailers are able to consistently outperform, and how two cash kings are planning to ride the wave of retail's changing tide. You can access it by clicking here.