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Trial notes

2 pieces filed under Trial notes, newest first.

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Trial notes

July 1, 2026 · 4 min read

An email that worked, according to every dashboard

In a controlled trial we ran, a reminder email produced healthy opens, clicks, and conversions for eight straight weeks. It also produced nothing. Here is how we know, and why the difference matters.

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Trial notes

June 24, 2026 · 4 min read

The metric you optimize decides which strategies survive

Two emails, nearly identical on the engagement dashboard. One built +$5.20 of forward value per customer; the other built nothing. If conversion rate had made the call, the wrong one might have lived.

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