Mastermind - The 5% Rule

Preview text: Mastermind - The 5% Rule Are you becoming excellent at something irrelevant? The 5% Rule…

Paul RulkensMonday, Nov 9, 2026 at 11:59 PM EasternMailchimp
Paul RulkensMastermind - The 5% Rule
Subject
Mastermind - The 5% Rule
Preview text
Mastermind - The 5% Rule Are you becoming excellent at something irrelevant? The 5% Rule…
From
paul@agrippaci.com
Sent
Mon Nov 9, 2026, 11:59 PM ET
Sent to
agrippaci.com, paulrulkens.com
Size
48 KB
Images
5
Links
7, 1 of them buttons
Subject length
24 characters

Against Paul Rulkens's usual

Sent in its busiest hour, 11 PM, which holds 89% of its emails. The subject is 24 characters; its average is 35.

Report this email

Sent just before and after

Nov 9, 2026 11:59 PMMastermind - The 5% Rule (this email)
Nov 2, 2026 11:59 PMMastermind - The Eclipse and the Substitute
Oct 27, 2026 12:59 AMMastermind - Strategic Triage, AI edition
Oct 19, 2026 11:59 PMMastermind - Bilbo's Deployment
Oct 12, 2026 11:59 PMMastermind - The Quest for Bilbo
Oct 5, 2026 11:59 PMMastermind - Who Owns Bilbo?
Sep 28, 2026 11:59 PMMastermind - Corporate Opiates

More from Paul Rulkens

All Paul Rulkens emails

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. Unsubscribe anytime.