Privacy-Preserving Ad Click Attribution for the Web
Everyone keeps claiming that exact tracking is necessary, or that this is ineffectual (as DNT).<p>It is clear that browsers are doing everything they can to prevent user abuse. So let’s imagine they succeed.<p>Imagine what happens to the current advertising model if browsers completely break cross origin tracking. That means you can’t link purchases to the original ads, and so the compensation model no longer works at all.<p>This provides a mechanism to do the required attribution without also tracking or compromising a user’s privacy. Without that, there isn’t a way for the current ad model to work.