Ah, I think I understand. So, you'd measure whether this person made a purchase without ever having viewed the ad. Thanks for explaining. I can see why platfor

Ah, I think I understand. So, you'd measure whether this person made a purchase without ever having viewed the ad. Thanks for explaining. I can see why platforms would be reluctant to offer this feature. If you're running ads on multiple platforms and only one offers this feature, it will make itself look uniquely bad. However, the other platforms probably also provide little extra value compared to running ads on a single platform.