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# IAB webinar: most TV ad inventory never touches a DSP, so what is AI learning?
- URL: https://www.medianexis.com/iab-webinar-most-tv-ad-inventory-never-touches-a-dsp-so-what-is-ai-learning/
- Published: 2026-10-06T13:55:43.000Z
- Updated: 2026-10-06T13:55:43.000Z
- Description: IAB is hosting a State of Data webinar where Dstillery, LightShed and Tatari executives examine CTV AI claims, noting only seventeen to eighteen billion dollars of the ninety billion dollar US TV market is purchasable through a demand-side platform.
- Author: The Signals Desk
- Tags: Measurement, IAB webinar: most TV ad inventory never touches a DSP, so what is AI learning?

**Why it matters.** Buyers pitched on programmatic AI targeting must still negotiate upfronts and direct deals to reach most TV inventory, where no bidstream data exists to train those models.

*Signal from* [*iab.com*](https://iab.com/?ref=medianexis.com) *·* [*read the original*](https://www.iab.com/events/beyond-audience-what-ai-needs-to-work-in-ctv/?ref=medianexis.com)*.*