The foundation that marketing attribution software was built on for the past decade is cracking.

Third-party cookies — the mechanism behind most cross-site user tracking — are being phased out. iOS privacy changes have made mobile ad measurement significantly harder. Privacy regulations in the US, EU, and beyond are raising the bar for data collection consent. And at the same time, the channels brands need to measure are multiplying: TikTok Shop, YouTube Shopping, retail media networks, connected TV, and AI-generated search results that may or may not drive traffic the way organic search historically has.