Drawer 02 · 539 notes · 32 people · 2005–2026

Discovery & customer research

Customer interviews, opportunity mapping, validation, and jobs to be done

Q:
Answers from Discovery & customer research notes, cited
producthabits.com · Hiten ShahSep 30, 2019

Why you shouldn’t ignore your competitors

Sep 30, 2019 · 14 min

“This post is written by Marie Prokopets, co-founder of Product Habits and FYI, and features slides presented by her co-founder Hiten Shah at the 2019 Appealie SaaS Conference. I’ve been… Keep reading The post Why you shouldn’t ignore your competitors appeared first on Product Habits.”

SVPG · Marty CaganAug 20, 2012

Time-Boxing Product Discovery

Aug 20, 2012 · 3 min

Marty Cagan argues that product teams doing discovery often move far too slowly, risking wasted time and money on unvalidated ideas. He distinguishes time-boxing (fixed work period followed by reflection) from…

SVPG · Marty CaganMar 10, 2016

Discovery Coaches

Mar 10, 2016 · 3 min

Marty Cagan argues that many Agile coaches come from delivery backgrounds and lack the product and design experience needed to help teams with discovery. He describes Discovery Coaches as typically former product…

SVPG · Marty CaganMay 12, 2008

Market Discovery vs. Product Discovery

May 12, 2008

Cagan distinguishes market discovery, which identifies worthwhile opportunities or markets, from product discovery, which determines whether a specific product is valuable, usable, and feasible. He argues the two are…

SVPG · Marty CaganAug 16, 2022

Market Fit

Aug 16, 2022 · 5 min

The author argues that many companies reach an early beachhead of customers, assume product/market fit, and then stall because they neglected market fit. Market fit means discovering 'market pull': what makes customers…

Lenny’s Podcast126 min

The original growth hacker reveals his secrets

Sean Ellis · Sep 5, 2024
Key learnings
  • Ask users how they would feel if they could no longer use the product; a high share saying 'very disappointed' is a leading…
  • Survey a random sample of users who have actually experienced the product and used it more than once recently, not just sign-ups…
  • Use the very-disappointed group as a filter: find their primary benefit and the context ('why is this important to you') to craft…
SVPG · Marty CaganFeb 22, 2014

Flavors of Prototypes

Feb 22, 2014 · 6 min

Marty Cagan argues that prototyping is not one thing: teams often narrow the term to whichever prototype type they first encountered, and then misuse it. He lays out four main flavors: feasibility prototypes that answer…

@ttorres · Teresa Torres on X♥ 18
"I'm going to tell you my story because I think it's an amazing story of continuous improvement, of how teeny-tiny steps compound over time." Over the past year, my work has transformed completely—and it all started with a broken ankle and a willingness to get curious about AI. In this article, I…
SVPG · Marty CaganFeb 29, 2016

Discovery Sprints

Feb 29, 2016 · 3 min

Marty Cagan introduces the discovery sprint, a one-week time-boxed effort to tackle a substantial problem or risk in a product's definition and validate a potential solution with real users. He explains that the…

SVPG · Marty CaganOct 22, 2007

Personas for Product Management

Oct 22, 2007 · 5 min

Marty Cagan argues that product management is a series of choices about which problems, customers, and features to pursue, and that personas are one of his favorite tools for making them. A persona is an archetype of an…

SVPG · Marty CaganSep 11, 2025

The Purpose of Prototypes

Sep 11, 2025 · 6 min

Cagan argues that the main purpose of prototyping is to discover a successful solution, not to ship a product. Recent gen-AI prototyping tools have sharply cut the cost of live-data prototypes, changing the economics…

Product Talk · Teresa TorresDec 20, 2011

The "Why" Behind Product Feedback

Dec 20, 2011

Teresa Torres recounts a founder who received contradictory feedback from buyers about whether sellers should pay for a pre-sale information platform. Digging into the context of each conversation revealed that the…

SVPG · Marty CaganApr 29, 2008

High-Fidelity Prototypes

Apr 29, 2008 · 4 min

Marty Cagan argues that high-fidelity prototypes are one of the most powerful tools for discovering a product that is valuable, usable and feasible. He lists ten benefits, including testing ideas with users before major…

@ttorres · Teresa Torres on X♥ 9
"It can feel like you are the lone champion pushing for change in your organization." That's why we are reading Continuous Discovery Habits together throughout 2026. 📚 The book turns five this year and many of you have bought and read it. But reading isn't the same as doing. So we are reading…
SVPG · Marty CaganFeb 24, 2005

Product Validation

Feb 24, 2005 · 5 min

Marty Cagan argues that product managers should validate a product specification before handing it to engineering, rather than trusting the spec and planning to adjust after beta feedback. Because prototyping costs have…

SVPG · Marty CaganMar 17, 2008

The Architect Role

Mar 17, 2008 · 6 min

Marty Cagan argues that a product manager's core job is discovering products that are valuable, usable and feasible, and that engineering must be involved early to achieve feasibility. Waiting until engineering sees a…

Product Talk · Teresa TorresSep 21, 2026

Ch. 10: Testing Assumptions

Sep 21, 2026 · 5 min

This reading guide kicks off a monthly book club celebrating five years of Continuous Discovery Habits, focused this month on Chapter 10, 'Testing Assumptions.' The guide frames the chapter as a bridge between…