This shouldn’t surprise anyone who thinks about it.  It just reinforces the need to hold companies, or whomever is holding your data accountable for what they do with that data.  You might not even know that they have information about you, if they are not accountable, to you or to some other entity they will do what is best for them – not you.

Just four credit card clues can identify anyone – tech – 29 January 2015 – New Scientist.