The problem starts when your "targeted" advertising will send flyers to only those homes where both husband/wife work and have little free time; or households t

The problem starts when your "targeted" advertising will send flyers to only those homes where both husband/wife work and have little free time; or households that have very young children or household with single parent or the household that owns very old lawnmower that was repaired recently etc. Then your "targeted advertising" starts charging more from households that have only senior citizens etc.etc.