Product Talk · Teresa TorresJan 7, 2015
Jan 7, 2015 · 5 min
“The Lean Startup has a flaw. It’s a simple one. It advocates the feedback loop: Build -> Measure -> Learn. I agree wholeheartedly with this loop. The flaw is in where you should start. I prefer: Learn -> Build -> Measure It’s a subtle difference, but it’s an important one. The”
Product Talk · Teresa TorresNov 11, 2015
Nov 11, 2015
Teresa Torres argues that a common mistake among teams new to Lean Startup methods is substituting experimentation for judgment, testing options like folders versus tags without first reasoning about which is most…
Product Talk · Teresa TorresSep 23, 2015
Sep 23, 2015 · 5 min
Teresa Torres argues that product managers often fall into a throughput mindset, filling backlogs and keeping engineers busy rather than driving outcomes. She identifies three recurring failures: not starting from a…
Lenny’s Podcast118 min
Mayur Kamat · May 22, 2025
Key learnings- Join fast-growing companies, since learning compounds much faster when you ship and learn daily rather than over multi-year…
- Identify your genuine strengths, through structured assessments or peer feedback, and seek roles where success depends on using…
- Early in your career, don't optimize for compensation; most earnings tend to come later, so prioritize learning and fit.
Lenny’s Podcast81 min
Brendan Foody · Sep 18, 2025
Key learnings- Treat evals as the product requirement document for a model: if you cannot measure what success looks like for a task, you cannot…
- Companies should build a systematic test of how AI automates their core value chain, since that measurement is the prerequisite…
- Evals also serve as sales collateral, showing customers and researchers concretely which real-world capabilities a model or…
Lenny’s Newsletter♥ 421
Feb 17, 2026 · 26 min
Subscriber post — summary onlyCaitlin Sullivan, a user-research practitioner, explains four recurring ways AI-generated customer analysis goes wrong: invented or blended quotes, generic insights, signal that doesn't guide decisions, and missed…
Product Talk · Teresa TorresMar 8, 2017
Mar 8, 2017 · 7 min
Teresa Torres introduces the Ladder of Evidence, a framework for judging how reliable customer feedback is. Asking people what they would do in the future, as focus groups and surveys often do, yields weak signal…
Lenny’s Podcast67 min
Inbal S · Dec 1, 2023
Key learnings- Engineers using AI tools need to shift from writing code to systems and architecture thinking, which lets junior developers spend…
- Don't adopt AI for its own sake; start from the customer problem and ask how AI can best solve it, rather than asking what to do…
- AI tools must fade into the background: any extra setup, asking, or waiting adds friction and developers will abandon the tool.
Lenny’s Newsletter♥ 89
Jul 27, 2021 · 8 min
Subscriber post — summary onlyLenny argues that most teams should skip elaborate prioritization frameworks and use a simple impact-versus-cost sort of T-shirt-sized ideas, then refine it with team input. He stresses that the roadmap must follow a…
SVPG · Marty CaganOct 1, 2007
Oct 1, 2007 · 16 min
Marty Cagan argues that testing high-fidelity prototypes with real users is the most important activity a product manager performs, because it reveals whether people can use a product and whether they want it before…
Product Talk · Teresa TorresOct 23, 2025
Oct 23, 2025
This podcast episode features three leaders from Zencity, a company that helps local governments understand residents by combining survey data, 311 calls, social media, and local news into one platform. The conversation…
Lenny’s Podcast111 min
Ben Williams · Nov 6, 2022
Key learnings- Start with a narrow, deep use case for one developer community (Snyk began with Node.js developers) to validate product-market…
- Design acquisition loops into the product itself, such as Snyk-branded pull requests that educate other developers and drive them…
- Build programmatic SEO assets, like Snyk Advisor's package health pages, that generate and index large volumes of pages…
Product Talk · Teresa TorresJan 30, 2014
Jan 30, 2014 · 4 min
Teresa Torres argues that once a product's success funnel converts well, the next step is growth, but only after that funnel is healthy; otherwise acquiring users just wastes time, energy and money. She introduces two…
Product Talk · Teresa TorresAug 8, 2013
Aug 8, 2013 · 3 min
Teresa Torres argues that product managers make dozens of decisions daily and tend to feel confident about them, yet decision research shows people often make poor choices while believing they are sound. Our minds are…
Lenny’s Newsletter · Free post♥ 83
Jan 17, 2023 · 12 min
Part two of a PLG guide by Hila Qu covers the fourth and fifth steps of launching a product-led growth motion: setting up infrastructure and tooling, then building the team. The core argument is that PLG is…
Product Talk · Teresa TorresFeb 8, 2017
Feb 8, 2017 · 30 min
Teresa Torres traces how product discovery has evolved over roughly two decades, from long requirements documents and shipping flops like Windows ME toward experiment-driven, customer-centered practice. She argues that…
Product Talk · Teresa TorresMar 23, 2016
Mar 23, 2016 · 3 min
Teresa Torres argues that many product managers remain unaware of a fundamental shift toward modern product discovery, despite the Lean Startup and design thinking having been around for years. She observes that many…
SVPG · Marty CaganFeb 28, 2011
Feb 28, 2011 · 4 min
Cagan argues that the old model of carefully controlled, consistent product messaging no longer works, because most people first hear about a product from others outside the company's control. Messaging must now engage…
SVPG · Marty CaganJan 15, 2019
Jan 15, 2019 · 5 min
Marty Cagan follows up on an earlier list of product manager problem areas with five more common pitfalls. He argues that many teams play defense, acting risk-averse and protecting ground instead of moving forward…
Product Talk · Teresa TorresJun 15, 2022
Jun 15, 2022 · 4 min
Teresa Torres argues that product teams should monitor customer signals from support tickets, sales conversations, surveys, and behavioral analytics, but should not treat these fragments as a substitute for customer…
Product Talk · Teresa TorresMar 1, 2023
Mar 1, 2023 · 23 min
Teresa Torres reports on the second part of her inaugural CDH Benchmark Survey, which asked product teams about their discovery habits. She argues that many people doubt that continuous discovery exists in practice…
Product Talk · Teresa TorresMar 2, 2016
Mar 2, 2016 · 8 min
Torres argues that product delivery has matured through Agile, continuous integration, and story mapping, while product discovery, the work of deciding what to build, has lagged behind. She contrasts the traditional…
SVPG · Marty CaganJan 23, 2012
Jan 23, 2012
Marty Cagan contrasts the traditional PC-era product manager with the modern Internet-era product manager. He argues that many organizations still operate with the older model, which was often ineffective and poorly…
Lenny’s Newsletter · Free post♥ 108
Nov 22, 2022 · 26 min
Suril Kantaria, co-founder and CEO of Savvy, recounts the arc of a fintech startup that let employees buy their own health insurance with payment cards, from early missteps to a 2022 acquisition by a market incumbent…