There’s probably something to be said for targeting simply the group of people who are on apple devices, given they as a group tend to have higher disposable in

There’s probably something to be said for targeting simply the group of people who are on apple devices, given they as a group tend to have higher disposable income. Marketers did their work without direct metrics for a long time, it’s not impossible. Apple would undoubtably not be able to charge as much as they could if they had those sorts of metrics to give, but there is a value proposition there.