Data-driven marketing

The numbers have to add up.

Education, news and analysis on AI, data, attribution and analytics — for the people who have to explain where the revenue came from. Every figure carries the source it came from and the date it was checked, and it expires when it goes stale.

Sections

Learn How measurement actually works, written from doing it.
News What changed, and what it means for the work.
Glossary The vocabulary, defined the way the industry uses it.

Latest

News DV360 API v5 drops Customer Match uploads for Data Manager
News Week 43: Safari blocks ID vendors, Google moves uploads
News PMax ignores your image opt-out on new campaigns from Dec 4
News Google brings finance ad verification to the US and Canada
News Apple confirms Safari 27 blocks identity resolution vendors
Learn Your 90-day click window rests on a cookie that may last 7
Learn Switching ad trackers? Test what it sends back to each ad platform
Learn Primary demand advertising also sells your competitors' product