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The mechanics

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Style
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Analysis by ViralLoop — not written by the original author.

Post by Simon Willison on X

Simon Willison@simonw

This is a legitimately fascinating leaked document, it appears to be the onboarding guide for new employees of the MrBeast YouTube production company It's 36 pages long so I published my own notes on it here t.co

609 likes12 repliesPosted Sep 15, 2024

View the original on X Written by Simon Willison. Captured Sep 4, 2026.

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37

Viral score

Based on absolute engagement — the platform doesn’t expose follower counts here, so large accounts score higher.

From likes, comments.

Why it worked

Ends on a short line that is easy to quote and repeat.
Written from experience rather than as advice, which is harder to argue with.
Short enough to read in full without expanding, which removes a step before the point lands.

The mechanics

Hook: Plain observation
Structure: Hook → Landing
Style: Conversational paragraphs at a steady pace.
Tone: personal
Written for: SaaS founders and operators

Analysis by ViralLoop — not written by the original author.

Topics

Posts built the same way

Ox Alpha (stealth model) is free for the next week - 1M Context - Multi-modal - Zero Data Retention Generous rate limits, near unlimited usage We have capacity for 100T tokens per day, lets see what you can do

I canceled our subscription to the LA Times because I want to make it clear that I am not okay with them being silent. In dangerous times, honest people need to stand up. This is the only way to show I’m standing up.- mh #ThankYouMarielGarza 🙏

Caroline Kitchener

My mom just told me she cancelled her subscription to The Washington Post. She reads every one of my stories. It was a heartbreaking call. I understand why she did it, but I asked her to reconsider. To anyone who has cancelled or is thinking about cancelling, here’s what I said:

Usage limits are up, effective today we're: 1) Doubling Claude Code's 5-hour limits for Pro, Max, Team and seat-based Enterprise plans 2) Removing peak hours limit reduction on Claude Code for Pro and Max plans 3) Substantially raising our API rate limits for Opus models

Thariq is on vacation

I've heard a lot of questions about Fable's availability on subscription plans. While it will come off subscriptions after July 7th, we aim to restore Fable as a standard part of our subscriptions as soon as capacity allows, as we mentioned in our original blog post.

SpaceX policy regarding data retention. It is actually helpful for debugging issues if we can retain some amount of data, so allowing this would be appreciated, but your privacy settings are always respected.

More from Simon Willison

A few notes on Anthropic's new Claude Fable 5.1 - with Max thinking level I got the best SVG pelican I've had from any Anthropic model (at a hefty cost of $3.30!), which I then had it animate t.co

The "introductory pricing" for the 3.7 Flash model is really weird It's scheduled to double in price on December 31, 2026, but who would anticipate still using this model five months from now? Especially since 3.6 Flash came out just three weeks ago!

I really hope we get details from @OpenAI on the task that as specifies to their rogue agent I'm guessing it was given the full ExploitGym suite and told to solve it, with an option to run 5.6-Sol subagents as part of the exercise

This is detailed, fascinating and answers all sorts of open questions I'd love to know more about the "unsecured public code-evaluation sandbox hosted on a third-party provider's infrastructure" that the agent used to stage its attack against HF after it broke out of OpenAI

Tucked away in this article is an appeal to the AI skeptics to PLEASE stop writing off stories like this OpenAI accidental exploit of Hugging Face as a dishonest marketing trick Frontier models can find and exploit vulnerabilities now, it helps nobody to pretend that they can't!

Anyone know if ChatGPT Codex (in the new ChatGPT desktop app) is a strict superset of ChatGPT Work? Liked if you're a software engineer who isn't intimidated by Git features is there any reason you'd ever want to switch to ChatGPT Work Mode?

Simon Willison on SaaS · ViralLoop