“The end is near,” says Scott Brinker, VP of Ecosystems at HubSpot.

It’s hard to believe a time when you couldn’t go to a website, put items in your cart, flip through multiple pages, and come back to the same cart you left. But just two decades ago, that wasn’t possible.

Cookies began as a tool to enhance the experience of the internet. Since then, they’ve become embroiled in controversy.

So what does a world look like without third-party data?

Scott Brinker and Juan Mendoza took to boldly answer this question in a three-part series of Big Martech.