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Marketing · 2026 · IAB

IAB Questions Whether Legacy Measurement Can Explain Today’s Retail Media

IAB examines whether established measurement methods capture incremental impact and business outcomes in retail media.

Visual reference: IAB Questions Whether Legacy Measurement Can Explain Today’s Retail Media

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What happened

IAB examines whether established measurement methods capture incremental impact and business outcomes in retail media.

What changes

The discussion moves beyond assigning credit to a click toward evaluating the effect of the advertising itself.

Why it matters

Attribution and incremental impact answer different questions about a campaign.

Implications for businesses

A U.S. business should document what each reported metric measures before comparing platforms.

Un Rino’s take

Consistent definitions are essential when different systems claim credit for the same purchase.

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