How to audit your first-party data flow so ad targeting survives third-party cookie loss
The end of third-party cookies didn’t come as a single knockout blow — it was a slow, predictable squeeze. But for many teams, the real challenge isn’t the headline change; it’s the messy, fragile plumbing of first-party data that suddenly matters a lot more. If you want ad targeting to survive and thrive in a cookieless world, you need to audit your first-party data flow end-to-end. I’m going to walk you through a pragmatic, hands-on...