Drawer 02 · 536 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
SVPG · Marty CaganOct 12, 2013

The Biggest Risk

Oct 12, 2013 · 4 min

Marty Cagan argues that the biggest risk facing most startups and new products is not market risk or business-model risk but solution risk: whether the team can find an approach customers actually choose to buy and use…

Product Talk · Teresa TorresMar 2, 2026

Ch. 4: Visualizing What You Already Know

Mar 2, 2026 · 6 min

This book club post kicks off a monthly reading guide for Teresa Torres's Continuous Discovery Habits on its fifth anniversary. It focuses on Chapter 4, which argues that individuals should draw their own experience…

Lenny’s Podcast98 min

Lessons from a two-time unicorn builder, 50-time startup advisor, and 20-time company board member

Uri Levine · Jun 9, 2024
Key learnings
  • Start with a meaningful problem you feel personally passionate about, since the journey is long and hard and passion sustains…
  • Validate a problem by speaking with many people outside your close circle; if they describe the problem in their own words, it is…
  • Expect a journey of failures and iterate quickly; failing fast leaves time for more attempts, which raises the odds of success.
Product Talk · Teresa TorresMay 4, 2026

Ch. 6: Mapping the Opportunity Space

May 4, 2026 · 6 min

This reading guide introduces Chapter 6 of Continuous Discovery Habits, the monthly book club installment marking the book's fifth anniversary. It argues that product teams should stop reacting to every customer need…

SVPG · Marty CaganMay 9, 2011

The Most Important Thing V1

May 9, 2011 · 3 min

Marty Cagan argues that the single most valuable thing a product manager can do is run face-to-face user tests on prototypes or live products. Each test has two parts in sequence: a usability check to see whether users…

@lennysan · Lenny Rachitsky on X♥ 1,037
Trend I'm following: Teams using AI "simulations" to quickly test product ideas and flow tweaks. Products like @simile_ai, @primitivelabsai, @syntheticusers, and others. If you've tried something like this, how'd it go?
SVPG · Marty CaganMar 17, 2013

The Inconvenient Truth About Product

Mar 17, 2013

Marty Cagan argues that product teams relying on long, pre-negotiated roadmaps repeatedly fail to deliver business results because of two unavoidable realities. First, at least half of ideas won't work, whether…

SVPG · Marty CaganOct 13, 2011

Lean Thinking

Oct 13, 2011 · 5 min

Marty Cagan reviews Eric Ries's book "The Lean Startup" and argues it is one of the best product books in years, relevant to both new and experienced product people and not only early-stage startups. He notes Ries…

SVPG · Marty CaganJan 29, 2018

Product Discovery In Regulated Environments

Jan 29, 2018 · 3 min

Cagan argues that product discovery, the practice of validating ideas with real customers before building, is still essential in heavily regulated industries such as finance and healthcare, even though legal and…