The Data Letter

The Data Letter

Earlier Work: Data and AI

Pinterest Is Turning Taste Data Into an AI Powered Ad and Performance Engine

What Pinterest’s launch tells us about which decisions belong to people and which belong to AI

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Auditing AI
Jun 29, 2026
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On June 17, an advertiser at one of Pinterest’s pilot agencies opened her dashboard and saw something different. Searches for ‘clean beauty routine’ were up 42% that week. Pinterest’s new Business Assistant had already pulled the chart, surfaced the leading Pins, and suggested a clean beauty ad campaign she could launch.

She didn’t have to search for the…

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