BADREP / CHARLES DUHIGG EMAILS

How Charles Duhigg writes email.

5 emails classified across 2 months, all sent through Kit (ConvertKit). Tracked since Jul 2026. Every hook, framework, offer type and CTA — on the record.

Habit Change & Self-ImprovementProfessional Skills & Career

Charles Duhigg is one of 973 brands tracked in the BadRep vault, classified under Habit Change & Self-Improvement + Professional Skills & Career. We've indexed 5 emails from Charles Duhigg since July 2026, sent at a cadence of roughly 2.5/month through Kit (ConvertKit). Their program leans on Newsletter sends with Question hooks; below is everything BadRep has noticed about how they actually write to their list.

● WHAT WE NOTICED
  • Lower-cadence sender — 2.5 emails/month vs the catalog median of 5.5.
  • Newsletter is the dominant program — 60% of all sends (3 of 5 emails).
  • Hook of choice: "Question" — opens 60% of sends.
  • Subject lines average 35 characters, in the sweet spot for mobile preview (~30–50 chars).
  • Latest send tracked: 3 days ago — Charles Duhigg is currently active.
● VS THE PROFESSIONAL SKILLS & CAREER BENCHMARK

How Charles Duhigg stacks up in Professional Skills & Career.

Against the Professional Skills & Career field, Charles Duhigg runs a more broadcast style than peers (20% personalized vs 50%), and writes longer-form emails than most peers (1161 words vs 365).

MetricCharles DuhiggProfessional Skills & Career medianRead
Emoji in subject0%14%0% of niche
Personalization20%50%40% of niche
Median subject length31 chars40 chars22% shorter
Median body length1161 words365 words218% longer

Benchmarks computed from 2,346 emails across 102 Professional Skills & Career brands in the BadRep vault.

● LATEST EMAIL ON RECORD

Their freshest send — every angle dissected.

Charles Duhigg email: Let's Get Extreme!Open in the Vault →
August 15, 2026Newsletter

Let's Get Extreme!

Why do we like crazy challenges so much? And what counts as too extreme?

HookQuestion
FrameworkStory-led
Funnel stageTOFU
AwarenessUnaware
Words982
CTAs24
Primary CTASubscribe here
Psych triggers:
CuriosityAspiration
Takeaway

Explores why humans crave extreme experiences—from historical eccentrics to modern challenges—and the neuroscience behind sensation-seeking and risk-taking.

● THE PATTERNS

What Charles Duhigg does on repeat.

2.5
emails/mo
2 active months
20%
personalized
merge tags + dynamic content
0%
with emoji 📨
avg subject: 35 chars
0%
with animated GIFs
motion in the inbox

Most-used email types

  1. 01Newsletter60%
  2. 02Educational / Tips20%
  3. 03Welcome20%

Most-used hook types

  1. 01Question60%
  2. 02Bold Claim40%
● SEND CADENCE

The last 6 months of Charles Duhigg.

Latest send tracked: 3 days ago. Peak month was Jul 26 with 3 emails.

0
Mar 26
0
Apr 26
0
May 26
0
Jun 26
3
Jul 26
2
Aug 26
● THE REST OF THE STASH

4 more emails inside. All searchable.

A peek at the back catalog. Subscribers see them in full — every screenshot, raw HTML, full classification.

Aug 1·Newsletter
The Science of Focus!
Jul 18·Newsletter
The Science of Sleep! (How to Slay at Slumber)
Jul 11·Educational / Tips
How Do I Make Better Decisions?
Jul 1·Welcome
How to get ‘better’ according to science (and a bonus gift)
● COMMONLY ASKED

Charles Duhigg email FAQ.

What email platform (ESP) does Charles Duhigg use?
Charles Duhigg sends through Kit (ConvertKit), based on 5 emails analyzed by BadRep. ESP signals come from sending infrastructure (return path, DKIM, List-Unsubscribe headers) — not self-reported.
How often does Charles Duhigg send marketing emails?
Charles Duhigg sends roughly 2.5 marketing emails per month, averaged across 2 months of tracked activity. Peak send month was July 2026 with 3 emails.
What types of emails does Charles Duhigg send?
Charles Duhigg's most-used email programs are Newsletter (60%), Educational / Tips (20%), Welcome (20%). The full classification covers 3 distinct email types across BadRep's taxonomy.
What hook types does Charles Duhigg use to open emails?
Top three hook types in Charles Duhigg's subject-line + opener combinations: Question (60%), Bold Claim (40%). BadRep classifies every email's opening hook to make stylistic patterns searchable.
How long are Charles Duhigg's subject lines?
Average subject-line length for Charles Duhigg is 35 characters across 5 emails. Plain-text subject lines throughout — no emoji.
Does Charles Duhigg personalize its marketing emails?
20% of Charles Duhigg's emails show personalization signals — merge tags, dynamic content blocks, or first-person framing tied to subscriber attributes.
What offers does Charles Duhigg run in email?
20% of Charles Duhigg's tracked emails carry a promotional offer. The most-used offer format is "Free Gift".
What category is Charles Duhigg in?
BadRep classifies Charles Duhigg under Habit Change & Self-Improvement and Professional Skills & Career. Niche tagging reflects the audience signal in the emails themselves, not the brand's own positioning copy.
Where do these Charles Duhigg email examples come from?
Every email in this analysis was received, classified, and indexed by BadRep — a searchable email-intelligence vault. Subscribers can view full screenshots, raw HTML, and 20+ filter dimensions per email.
● ADJACENT TARGETS

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