Another reason to block trackers on your mobile phone, by whatever means necessary.
The little secret behind all of this that very few people want to admit is that, in most cases super-targeted ads are crap. They don’t perform well. That’s because even if you’re putting the ad in front of the right demographic, most of the time they don’t care or don’t want to see whatever it is that you’re pushing. Or, it shows an ad for something you already have (or the ever popular laugher: something you just bought and don’t need to buy again).
Long interview with Brooke Binkowski (formerly at Snopes, not at TruthOrFiction). She doesn’t mince her words.
A very long article by data analyst Apenwarr explaining how all the profiling in the world is for naught if your algorithms are useless, and how smarter decision-making upfront when designing your system (he cites Pandora as a good example), or even building a direct relationship with your customers, can often deliver better results.