9# Josh Silverbauer (From the Future, The Third Party Show) on Why Agentic Measurement Is a Construction Not a Migration, The Black Box of Instant Checkout Attribution and What Universal Analytics Migration Taught Us About What’s Coming

Josh Silverbauer is Head of Analytics and CRO and Partner at From the Future, where he architects data layers and analytics implementations for brands navigating the messiest parts of measurement. He’s also the host of The Third Party Show – a comedy-musical talk show for digital marketing – and the creator of a rock opera about an alien named Cookie who loses his universe when Universal Analytics sunsets. In this episode, we dig into what happens when a purchase occurs without a browser session. OpenAI’s Instant Checkout means transactions can complete entirely server-side, with no JavaScript firing, no user journey, and no attribution – just an order appearing in your backend. Josh walks through where “ChatGPT / not set” shows up in your unassigned traffic, why server-side webhooks are currently the only way to count agent-driven purchases, and what the GA4 migration taught us about not dragging old assumptions into new architectures. We also explore why Microsoft Clarity is ahead of Google on AI traffic dashboards, and why building the agentic data layer feels less like a migration and more like a construction project with no blueprints.

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