# Ep. 137: The Data Quality Crisis in Digital Advertising with Scott McKinley of Truthset

Page: https://stenobird.com/podcast/adtechgod-pod-6593523/ep-137-the-data-quality-crisis-in-digital-advertising-with-scott-mckinley-of-truthset
Text version: https://stenobird.com/podcast/adtechgod-pod-6593523/ep-137-the-data-quality-crisis-in-digital-advertising-with-scott-mckinley-of-truthset.md
Podcast: [AdTechGod Pod](https://stenobird.com/podcast/adtechgod-pod-6593523)
Published: 2026-06-09T04:00:00+00:00
Episode link: https://traffic.megaphone.fm/EAATE6886632365.mp3
Audio file: https://traffic.megaphone.fm/EAATE6886632365.mp3
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Duration seconds: 1785

## Resource

Scott McKinley, Founder & CEO of Truthset, discusses the state of data quality, identity, and measurement in digital advertising. Scott shares why the industry continues to prioritize scale over accuracy, how data quality deteriorates throughout the supply chain, and why advertisers need to rethink legacy metrics like reach and CPMs. The conversation also explores identity, walled gardens, authentication, and the future of the open internet. Takeaways Data accuracy often declines significantly as data moves through the ad tech supply chain. Scale is frequently prioritized over quality, leading to inefficient advertising spend. Advertisers should focus on precision and outcomes rather than reach alone. Authentication is critical to improving identity and publisher monetization. Independent measurement remains essential for trust and accountability in advertising. Walled gardens continue to outperform because of durable identity systems. IP addresses are an unreliable long-term replacement for cookies. The open internet must improve identity infrastructure to remain competitive. Chapters 00:00 Introduction to Scott McKinley and Truthset 01:05 From Olympic cyclist to ad tech entrepreneur 03:01 The trust crisis in advertising and lessons from sports 05:25 Why advertising lacks accountability and regulation 07:00 Nielsen's role in independent measurement 09:00 Why Scott founded Truthset 11:17 Common misconceptions about data accuracy 14:20 The industry's obsession with scale over quality 17:53 Why reach is becoming an outdated metric 19:13 Signal loss, walled gardens, and measurement challenges 23:16 The future of identity in advertising 25:34 Why authentication is the path forward 25:51 The biggest misconception about IP addresses 26:43 What the open internet must do next…

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## Transcript

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