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
SVPG · Marty CaganOct 31, 2011

Product Market Fit vs. Product Vision

Oct 31, 2011 · 4 min

Marty Cagan argues that Product Market Fit and the Product Vision are related but distinct, and that teams often confuse them. The Product Vision describes the services and customers a company intends to serve over…

SVPG · Marty CaganSep 23, 2008

Left Of The Line

Sep 23, 2008

Cagan introduces the idea of a 'line' that separates the two fundamental activities of building software products: deciding what to build (left of the line) and building it (right of the line). Left of the line covers…

SVPG · Marty CaganOct 30, 2020

Discovery – Delivery

Oct 30, 2020

Marty Cagan argues against a damaging anti-pattern in which a product organization splits into a discovery team that decides what to build and a delivery team that simply implements it. He notes that good modern…

SVPG · Marty CaganDec 12, 2006

Assessing Product Opportunities

Dec 12, 2006 · 4 min

Marty Cagan argues that product managers should formally assess new product opportunities before building, rather than relying on executive decree, intuition, or a single large customer's funding. He notes that Market…

SVPG · Marty CaganJan 19, 2015

The Power of Customer Misbehavior

Jan 19, 2015

Marty Cagan argues that product teams can find major opportunities by letting customers use their products for purposes the company never planned or officially supports. He describes this as a third path beyond…

SVPG · Marty CaganApr 13, 2020

Discovery When Working Remotely

Apr 13, 2020 · 6 min

Marty Cagan argues that while remote product teams can deliver nearly as well as co-located ones, discovery and innovation suffer most when people work apart. He frames discovery as the core challenge, since creativity…

SVPG · Marty CaganNov 7, 2022

The Foundation of Product

Nov 7, 2022 · 5 min

Marty Cagan argues that the foundation of a strong empowered product team is unencumbered, direct access to four constituencies: customers and users, product data, business stakeholders, and engineers. He explains that…

Product Talk · Teresa TorresFeb 24, 2014

Why Testing Everything Doesn't Work

Feb 24, 2014 · 6 min

Torres argues that teams should stop testing ideas at random and instead be strategic about what they experiment on. Rather than prioritizing a list of ideas by gut feel, teams should estimate expected outcomes…

Product Talk · Teresa TorresOct 22, 2025

AI Changes Everything (And Nothing At All)

Oct 22, 2025 · 12 min

Teresa Torres argues that generative AI changes many product-management practices (prompt engineering, context engineering, orchestration, and evals) but that core fundamentals still determine whether a product…

SVPG · Marty CaganDec 19, 2025

The Product Model at Google

Dec 19, 2025 · 11 min

Marty Cagan and Elias Lieberich describe how the product model shows up at Google, a company with nine products that each exceed one billion monthly users. The article frames the model around three parts: leaders…

SVPG · Marty CaganFeb 17, 2018

Waterfall Deconstructed

Feb 17, 2018 · 3 min

Marty Cagan argues that many teams claiming to be Agile or Lean still operate with a Waterfall mindset, merely adopting the rituals and buzzwords. He identifies three telltale signs: risks deferred to the end…

SVPG · Marty CaganNov 5, 2007

Product Management in an Agile Environment

Nov 5, 2007 · 5 min

Marty Cagan argues that Agile methods, such as Scrum and XP, change but do not eliminate the product manager's job, and he offers guidance specific to product software rather than custom or IT projects. The product…