How Much Does Google, Facebook and Yahoo Know About You?

Well, gosh, most folks sign on for those point programs so they get discounts or free stuff. But those programs track your purchases. People think it's free, but you're paying with the data about what you buy and when, and the value of your purchases.

These have become so detailed that your individual grocery items can be tracked.

Yup, you bet, I don't subscribe to any point or award programs.