Ad team, 100%. There are all kinds of laws around advertising. GDPR, CCPA, etc. And all the ad teams I've ever interacted with are well accustomed to consulting

Ad team, 100%. There are all kinds of laws around advertising. GDPR, CCPA, etc. And all the ad teams I've ever interacted with are well accustomed to consulting with the attorneys before doing something like using a brand new piece of personal data to do a brand new thing.