Researchers say they can guess your SSN
http://redtape.msnbc.com/2009/07/theres-a-new-reason-to-worry-about-the-security-of-your-social-security-number-turns-out-theyre-easy-to-guess--a-gro.html

Why pay matchmaker prices when you can have chemistry?
www.scientificmatch.com/html/index.php

How Target Figured Out A Teen Girl Was Pregnant Before Her Father Did
http://www.forbes.com/sites/kashmirhill/2012/02/16/how-target-figured-out-a- teen-girl-was-pregnant-before-her-father-did