One thing marketers trust too much

Clicks and ROAS remain the industry's most trusted—and most misleading—metrics. Chester Scott, Chief Strategy Officer at Lunio, explains why the North Star metric guiding most advertisers actually disguises the truth about channel effectiveness. He makes the case for marginal ROAS over aggregate ROAS to expose diminishing returns across platforms, campaigns, and audiences, and reframes clicks as a fundamentally compromised leading indicator rather than a signal of performance.

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