FounderOperator

Product Market Fit

2 articles

Cinematic visualization of AI product launch, showcasing data streams, code, user feedback, and rapid growth symbolizing product-market fit.
Playbooks

What Are Lean Startup Principles for Product-Market Fit?

When OpenAI launched ChatGPT in November 2022, product-market fit was unmistakable.

Oliver Grant·May 14, 2026
Startup team celebrating a successful product-market fit milestone with a sense of accomplishment and optimism.
Product

What is Product-Market Fit for Startups and How to Achieve It?

Sean Ellis, a prominent Silicon Valley entrepreneur and investor, famously stated that if fewer than 40% of your users would be 'very disappointed' without your product, you have not yet found product

Lucas Bennet·May 6, 2026