How to Measure Return on Investment Without Tracking

Carlton: Once you click on an ad, we're out of the picture. We do allow people to put UTM codes and all that kind of stuff. So actually, right, it's not tracking. It's just like a URL parameter. That's like this was, you know, this, this click is attributable to this ad image and this ad copy,. But there's nothing personally attributable about that about the user. The data doesn't cross from the publisher to the advertiser. Yeah.