Reletter
Artwork for semi◦diffusion

semi◦diffusion

Cong

where AI meets business reality

Platform
Substack
PricingFreemiumPublishesDaily
Issues124Founded5 years agoLast Issue19 days ago
Active

Read this Newsletter

semidiffusion.com
Artwork for semi◦diffusion

Latest Issues

(video remix) The Ghost in the Inbox

semi◦diffusion is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber.

19 days ago
2

The Ghost in the Inbox

How Asynchronous Email Unlocks the $200 Billion AI Frontier

Chapter I: The Sand Hill Simulation

23 days ago
2
Paid

The Dark Side of Mercor You Should Know Before You Start

I've worked on 10+ Mercor projects. Here are the five patterns nobody warns you about — and the preparation system that keeps me getting paid. Inside the Data Factory, Episode 1 of 4.

In November 2025, Mercor’s twenty-something founders be...

a month ago
12
Paid

Chat memories in B2B

Ten years in B2B product, four of them building AI. What shipping memory for a B2B agent platform taught me about trust, forgetting, and org design.

Think of a company that has no memory.

a month ago
Paid

19 Remote & AI-Era Jobs for the AI-Powered Nomad (July 26, 2026)

🤖 Mercor Picks — Contract Work at the Frontier Labs

If you’re new: I updated my resume and got an instant Mercor offer — I broke down exactly what I changed in I Updated My Resume and Got an Instant Mercor Offer.

Also read How to Pas...

a month ago
3

Key Facts

Contact Information
Newsletter Author
Number of Subscribers
Find out how many people subscribe to this newsletter.

Audience Metrics

Subscribers, engagement, traffic and sponsorship for semi◦diffusion.

SubscribersEngagement74Monthly Web Visits
Accepts SponsorsEstimated Cost per Ad

Authors

The writers behind this newsletter.

  • Cong

    AI-powered nomads. BJ<->SF.

  • Social

    Frequently Asked Questions

    How can I access the email archive for semi◦diffusion?

    You can find recent issues that have been published by semi◦diffusion 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 semi◦diffusion have?

    To see how many people subscribe to semi◦diffusion, 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 semi◦diffusion?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch semi◦diffusion 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 semi◦diffusion?

    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 semi◦diffusion using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters related to semi◦diffusion?

    Scroll up to where it says Related Newsletters to see other publications like semi◦diffusion. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact semi◦diffusion?

    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.