Andrew Pole had just started working as a statistician for Target in 2002, when two colleagues from the marketing department stopped by his desk to ask an odd question: “If we wanted to figure out if a customer is pregnant, even if she didn’t want us to know, can you do that? ”

http://nyti.ms/AFlRdb

Source: http://www.nytimes.com/2012/02/19/magazine/shopping-habits.html?_r=2&pagewanted=1&hp
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