# All of our Product articles

[Product](https://review.firstround.com/articles/product/) [**Guideline's Path to Product-Market Fit — The Early Decisions That Powered Its Acquisition by Gusto** 
Ten years after shaking up the retirement fund industry for SMBs, Guideline has been acquired by Gusto. Here, co-founder Kevin Busque shares the early-stage decisions and pivots that put the startup on the path to success.](https://review.firstround.com/guidelines-path-to-product-market-fit/ "Guideline's Path to Product-Market Fit — The Early Decisions That Powered Its Acquisition by Gusto")

[Product](https://review.firstround.com/articles/product/) [**Serval's Path to Product-Market Fit — Win Enterprise Buyers by Treating Them Like Consumers** 
Notes from an AI founder taking a swing at a hundred-billion-dollar incumbent.](https://review.firstround.com/servals-path-to-product-market-fit/ "Serval's Path to Product-Market Fit — Win Enterprise Buyers by Treating Them Like Consumers")

[Product](https://review.firstround.com/articles/product/) [**Applied Intuition’s Path to Product-Market Fit — The $15B Founder’s Formula for a Winning Company** 
Co-founder and CEO Qasar Younis lays out the personal and business moves he's made to build a company only he could start.](https://review.firstround.com/applied-intuitions-path-to-product-market-fit/ "Applied Intuition’s Path to Product-Market Fit — The $15B Founder’s Formula for a Winning Company")

[Product](https://review.firstround.com/articles/product/) [**Gusto’s Path to Product-Market Fit — How Listening to Customers Built a $9.6B Company** 
Cold-calling from a walk-in closet taught Tomer London how to recognize what PMF really feels like.](https://review.firstround.com/gustos-path-to-product-market-fit/ "Gusto’s Path to Product-Market Fit — How Listening to Customers Built a $9.6B Company")

[Product](https://review.firstround.com/articles/product/) [**Canva’s Path to Product-Market Fit — How a Two-Hour Founder Date Led To a $42B Design Platform** 
Cameron Adams goes deep on finding early evangelists, the unconventional tactics that led to massive growth, and more.](https://review.firstround.com/canvas-path-to-product-market-fit-2/ "Canva’s Path to Product-Market Fit — How a Two-Hour Founder Date Led To a $42B Design Platform")

[Product](https://review.firstround.com/articles/product/) [**The Merger Playbook: Crossbeam’s CEO Breaks Down Every Detail of the Deal That Worked** 
A founder's firsthand account of how he merged with a competitor to materially change the trajectory of his company.](https://review.firstround.com/the-merger-playbook/ "The Merger Playbook: Crossbeam’s CEO Breaks Down Every Detail of the Deal That Worked")

[Product](https://review.firstround.com/articles/product/) [**Sentry's Path to Product-Market Fit — A High School Dropout Turned an Open-Source Project into a $3B Company** 
From Burger King shifts to a billion-dollar business, Sentry co-founder and CPO David Cramer shares his lessons for early stage founders.](https://review.firstround.com/sentrys-path-to-product-market-fit/ "Sentry's Path to Product-Market Fit — A High School Dropout Turned an Open-Source Project into a $3B Company")

[Product](https://review.firstround.com/articles/product/) [**When Should You Stop Clinging to Product and Hire Your First PM? Advice From a Founder and CPO** 
Saumil Mehta outlines a framework for early-stage founders on timing the first product manager hire.](https://review.firstround.com/when-to-hire-your-first-pm/ "When Should You Stop Clinging to Product and Hire Your First PM? Advice From a Founder and CPO")

[Product](https://review.firstround.com/articles/product/) [**Mercury’s Path to Product-Market Fit — Do the Hard Part First** 
Serial founder Immad Akhund shares what he's learned about finding product-market fit from his fourth act, Mercury.](https://review.firstround.com/mercurys-path-to-product-market-fit/ "Mercury’s Path to Product-Market Fit — Do the Hard Part First")