Why Marketing Testing Fails and How Imagination Bridges the Gap
by John Miglautsch, Published 10/2026 Direct Mail Insiders
For decades, the marketing industry has been obsessed with data — specifically, the promise that if we collect enough of it, we can predict the future. We build sophisticated models, run hundreds of tests, and rely on machine learning to tell us who will buy next. Yet, there is a fundamental, epidemic-level problem with this approach. We are operating as if data were a crystal ball, when in reality it is merely a mirror reflecting the past.
The missing variable in this equation — the one we ignore as if it were the air we breathe — is TIME. Continue reading “Time, Testing & Imagination”


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