Marketing is not rational

Preview text: I've seen overly-logical founders and CMOs (often the engineer type like myself) fudge…

Email EngineersWednesday, May 20, 2026 at 10:57 AM EasternKlaviyo
Email EngineersMarketing is not rational
Subject
Marketing is not rational
Preview text
I've seen overly-logical founders and CMOs (often the engineer type like myself) fudge…
From
matias@email-engineers.com
Sent
Wed May 20, 2026, 10:57 AM ET
Sent to
email-engineers.com, new.email-engineers.com
Size
52 KB
Images
4
Links
5, 1 of them buttons
Subject length
25 characters

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Sent in the 10 AM hour, which holds 20% of its emails; 28% arrive in the 11 AM hour. The subject is 25 characters; its average is 44.

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