Lenny's Newsletter

Lenny's Newsletter

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State of the product job market in 2025
There’s a lot to be optimistic about
 • 
Lenny Rachitsky
5
A guide to AI prototyping for product managers
How to turn your idea into a working prototype in minutes
 • 
Colin Matthews
13
How Duolingo reignited user growth
The story behind Duolingo's 350% growth acceleration, leaderboards, streaks, notifications, and their innovative growth model
 • 
Jorge Mazal
76
Product manager is an unfair role. So work unfairly.
How to thrive in “the great flattening” by redefining work norms
 • 
Tal Raviv
15
Beyond vibe checks: A PM’s complete guide to evals
How to master the emerging skill that can make or break an AI product
 • 
Aman Khan
19
Why you’re so angry at work (and what to do about it)
A practical framework for transforming big feelings into wisdom
 • 
Natalie Rothfels
10
How to become a supermanager with AI
AI is ushering in an era of “super ICs.” What about managers?
 • 
Hilary Gridley
12
Become a more technical product manager
Technical foundations for product managers
 • 
Colin Matthews
7
You should be playing with GPTs at work
20 examples of how people are using custom GPTs to make their teams more productive
 • 
Lenny Rachitsky
32
How tech workers really feel about work right now
Results from our first-ever large-scale tech worker sentiment survey
 • 
Noam Segal
 and 
Lenny Rachitsky
11
Five proven prompt engineering techniques (and a few more-advanced tactics)
How to get exactly what you want when working with AI
 • 
Mike Taylor
17
Introducing the Foundation Sprint: From the creators of the Design Sprint
An exclusive first look at Jake Knapp and John Zeratsky’s new book, Click, and the new 2-day process for jump-starting big projects right
 • 
John Zeratsky
 and 
Jake Knapp
4
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