The following video is part of our "Motley Fool Exclusive Interview" series.
In today's edition, Fool.com analyst Austin Smith interviews acclaimed author and New York Times columnist Charles Duhigg about his recent book The Power of Habit and the iEconomy series he's written for the Times.
Unbeknownst to most consumers, many retailers are tracking your spending habits so closely that some can tell whether a shopper is pregnant, has moved to a new home, or is in the midst of a divorce, all simply based on their spending patterns. Duhigg reveals which retailers do it best, and who knows more about us than we might think.
