The Durability Curve
H. FloydAI is everywhere. The interesting stuff is underneath.
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 79 | Founded | 6 months ago | Last Issue | 5 days ago |
| Active | |||||
Read this Newsletter
harryfloyd.substack.comLatest Issues
Your Health Has a Dashboard. Your Relationships Don't.
You probably know your resting heart rate. You might know your VO2 max, your average sleep score, the milligrams of magnesium you took last night. You have a position on seed oils. Somewhere in the last few years, keeping a bo...
You Own an Asset You've Never Scored
The file your agent reads first is capital. Score it out of sixteen, fix the thinnest mark, and run the one check that tells you whether the spec, not the model, was your limit.
Open the file your agent reads first. The CLAUDE.md, the syst...
The Specification Self-Check
You can name the model you run and the prompt you tuned last week. The file your agent actually reads first, the CLAUDE.md or the system prompt or the AGENTS.md, you have probably never scored. It is the one that decides whether the...
Show It an Example
You wanted it to write something with a particular feel. A tagline, a bio, an email in the right tone, a name that sounds like you and not like everyone. So you were careful about it. You asked for punchy. Modern. Distinctive....
Ask for the Step Before the Answer
Grade the step, not the finished thing.
You asked it to do something finished. Summarise a forty-page report. Pull a growth figure out of a spreadsheet. Read five documents and tell you which supplier to choose.
What came ba...
Audience Metrics
Subscribers, engagement, traffic and sponsorship for The Durability Curve.
| Subscribers | Engagement | 77 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
Explore More
Authors
The writers behind this newsletter.
I run a research system that turns AI, product, and market noise into instruments for seeing what survives when the surface changes.
Frequently Asked Questions
How can I access the email archive for The Durability Curve?
You can find recent issues that have been published by The Durability Curve on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
How many subscribers does The Durability Curve have?
To see how many people subscribe to The Durability Curve, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
How can I advertise in The Durability Curve?
Newsletter advertising can be extremely effective when it's done right. Before you pitch The Durability Curve as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
How much does it cost to sponsor a publication like The Durability Curve?
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact The Durability Curve using the contact information provided and ask for a copy of their media kit.
How can I find newsletters related to The Durability Curve?
Scroll up to where it says Related Newsletters to see other publications like The Durability Curve. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
How do I contact The Durability Curve?
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.