It's interesting that in a conversation Charlie Rose had with Marissa Mayer, V.P. of Search Product for Google http://www.charlierose.com/view/interview/10129 h

It's interesting that in a conversation Charlie Rose had with Marissa Mayer, V.P. of Search Product for Google http://www.charlierose.com/view/interview/10129 http://www.charlierose.com/view/interview/10129 she stated that your credit card company knows you are going to get divorced 2 years before you do. Maybe Google is harvesting more info than they state.