Reletter
Artwork for build mode

Tools, tactics, and taste for product builders

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Substack
PricingOnly free issuesPublishesWeekly
Issues91Founded4 years agoLast Issue3 days ago
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newsletter.posthog.com
Artwork for build mode

Latest Issues

You need to find product-market fit again (sorry)

If a team powered by AI rebuilt your flagship product today, what would they build and what would they skip? PostHog Desktop is our work-in-progress answer to that open question.

It came from a simple reality no company can escape: the pro...

3 days ago
39
3

This post will save you tokens

Three months ago, everyone was tokenmaxxing. Then, reality struck.

Fable limits made the average developer increasingly aware of their spend, and giants like Facebook, Microsoft, and Shopify turned away and curbed the practice.

Now everyo...

10 days ago
42
1

Can software factories actually work?

Agents write code faster than any human can review.

To keep from becoming the bottleneck, engineers everywhere have been building software factories: automated systems and guardrails that let agents ship and test on their own.

But the hyp...

17 days ago
45
2

What nobody tells you about writing agent skills

We’re officially skill-pilled. PostHog teams have published 226 skills to our internal skill store, and we have 187 SKILL.md files across 28 different products in our codebase. Everyone uses skills to both improve PostHog and their own wo...

25 days ago
64
7

How much can you delegate to agents?

People are trusting their agents to do more work without supervision, but how do you decide when to trust them?

Some think the answer depends on how good the model is – i.e. when models get better, you can trust them to do more. But trusti...

a month ago
46
1

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#40

Authors

The writers behind this newsletter.

  • Ian Vanagas

    Editorial Lead at posthog.com

  • Charles Cook
  • Cleo Lant

    Product marketer @ PostHog

  • Jina Yoon

    I write stuff for PostHog.

  • Natalia Amorim
  • Edwin Lim

    Markdown maximalist

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