Growth Loops
Closed systems where the input of one step generates an output that feeds back into the first step, creating compounding growth.
Keywords:
growth loop, growth loops, flywheel
Contents
Deep Dive
Metaphysical Synthesis & Analysis
The Synthesis
Growth loops are self-reinforcing systems where outputs become inputs. Reforge's framework identifies viral loops (users invite users), content loops (users create content that attracts users), and paid loops (revenue funds acquisition). Unlike funnels, which are linear, loops compound. For PMs, designing growth loops means identifying how each user action can generate the next user.
Metaphysical Foundation
Growth loops represent compounding systems. They are the product equivalent of compound interest—small gains that multiply over time.
Evolutionary Path
From viral coefficients to product-led growth loops, the practice has evolved from marketing tactics to product architecture decisions.
Strategic Interplays
Growth loops power sustainable Growth. They are enabled by Network Effects, Virality, and product-led-growth.
Key Episodes
Brian Chesky
Brian Chesky’s new playbook
Dalton Caldwell
Lessons from 1,000+ YC startups: Resilience, tar pit ideas, pivoting, more | Dal...
Marty Cagan
Product management theater | Marty Cagan (Silicon Valley Product Group)
Ray Cao
Product management theater | Marty Cagan (Silicon Valley Product Group)
Kevin Weil
OpenAI’s CPO on how AI changes must-have skills, moats, coding, startup playbook...
Michael Truell
The rise of Cursor: The $300M ARR AI tool that engineers can’t stop using | Mich...
Elena Verna
10 growth tactics that never work | Elena Verna (Amplitude, Miro, Dropbox, Surve...
Eli Schwartz
Rethinking SEO in the age of AI | Eli Schwartz (SEO advisor, author)
Ian McAllister
What it takes to become a top 1% PM | Ian McAllister (Uber, Amazon, Airbnb)
Hamel Husain & Shreya Shankar
Why AI evals are the hottest new skill for product builders | Hamel Husain & Shr...
Hamel+Shreya
Why AI evals are the hottest new skill for product builders | Hamel Husain & Shr...
Sander Schulhoff
AI prompt engineering in 2025: What works and what doesn’t | Sander Schulhoff
Anneka Gupta
Becoming more strategic, navigating difficult colleagues, founder mode, more | A...
Manik Gupta
Becoming more strategic, navigating difficult colleagues, founder mode, more | A...
Todd Jackson
A framework for finding product-market fit | Todd Jackson (First Round Capital)
Bob Moesta 2.0
The ultimate guide to JTBD | Bob Moesta (co-creator of the framework)
Ronny Kohavi
The ultimate guide to A/B testing | Ronny Kohavi (Airbnb, Microsoft, Amazon)
Merci Grace
How to work through fear, give hard feedback, and doing layoffs with grace | Mat...
Krithika Shankarraman
Growth tactics from OpenAI and Stripe’s first marketer | Krithika Shankarraman
Drew Houston