This isn't anything new but an event such as a pregnancy causes a big change in someone's behaviour, off and online. Target has already done it. http://www.for

This isn't anything new but an event such as a pregnancy causes a big change in someone's behaviour, off and online. Target has already done it. http://www.forbes.com/sites/kashmirhill/2012/02/16/how-target-figured-out-a-teen-girl-was-pregnant-before-her-father-did/ http://www.forbes.com/sites/kashmirhill/2012/02/16/how-targe...