For those that need an example, a great reminder is the target data mining story at https://www.forbes.com/sites/kashmirhill/2012/02/16/how-target-figured-out-a

For those that need an example, a great reminder is the target data mining story at https://www.forbes.com/sites/kashmirhill/2012/02/16/how-target-figured-out-a-teen-girl-was-pregnant-before-her-father-did/?sh=2e605e406668 https://www.forbes.com/sites/kashmirhill/2012/02/16/how-targ...