Confounding all of the targeting is one simple fact: Ad selection is based on what the advertiser is willing to spend, not on what the consumer wants to see. If

Confounding all of the targeting is one simple fact: Ad selection is based on what the advertiser is willing to spend, not on what the consumer wants to see. If a jewelry shop has extra ad budget and their target market is saturated, then the ad network starts serving ads to people who are married. Either that or they tell the jeweler to stop giving them money.