Product Talk · Teresa TorresApr 29, 2015
Apr 29, 2015 · 5 min
“Why do you write product requirements? We used to write long product requirement documents to communicate the solution we wanted our engineering teams to build. But over time we learned that outlining every detail of the solution upfront leads to overcommitting to solutions before we know whether or not they”
Product Talk · Teresa TorresMay 13, 2026
May 13, 2026 · 14 min
Teresa Torres describes building AI-generated opportunity solution trees for Vistaly as a product manager stepping into engineering with AI assistance. The core difficulty was updating an existing tree with new…
SVPG · Marty CaganSep 3, 2019
Sep 3, 2019 · 4 min
Marty Cagan argues that a product succeeds only when it is solved simultaneously for the customer, the business, and the technology, which he frames as a multiplicative equation: if any one factor is zero, the product…
producthabits.com · Hiten ShahNov 21, 2018
Nov 21, 2018 · 7 min
Hiten Shah responds to critics who call Net Promoter Score (NPS) harmful or overrated, arguing the metric is not the problem but how it is used. He contends NPS is useful only as one input among many feedback methods…
SVPG · Marty CaganJul 2, 2017
Jul 2, 2017
Marty Cagan argues that as a company scales, the natural sharing of product learnings that happens in a small startup breaks down, so it must be done deliberately. He recommends a recurring, brief update, run by the VP…
Product Talk · Teresa TorresOct 21, 2025
Oct 21, 2025
In this podcast episode, Teresa Torres and Petra Wille trade stories about the formative experiences that shaped their product careers. Teresa recounts running a startup through the 2008 recession, where prioritization…
Product Talk · Teresa TorresMay 13, 2020
May 13, 2020 · 9 min
Teresa Torres argues that product teams are often held responsible for business outcomes such as revenue, margin, or churn, which they cannot directly control. Business outcomes are lagging indicators that only reveal…
SVPG · Marty CaganMar 10, 2005
Mar 10, 2005
Marty Cagan argues that the founders of many of the world's most successful high-tech companies, such as Gates, Jobs, Bezos and Page, were effectively product managers in the best sense. They identified opportunities…
Product Talk · Teresa TorresAug 26, 2014
Aug 26, 2014 · 5 min
Teresa Torres argues that successful products, even giants like Facebook and Google, began by serving a narrow group rather than everyone. Founders who try to sell to everyone end up building for no one, because the…
SVPG · Marty CaganSep 8, 2008
Sep 8, 2008 · 3 min
Marty Cagan argues that product managers are fundamentally in the business of managing risk, and that playing it safe by only adding small features and fixes is often the riskiest choice over time. Because innovation…
Product Talk · Teresa TorresSep 17, 2026
Sep 17, 2026 · 3 min
This episode of Just Now Possible features Aha!'s leadership and PM team discussing Aha! Builder, an AI app builder aimed at product managers rather than engineers. They describe the five-step discovery process that…
Product Talk · Teresa TorresJun 27, 2012
Jun 27, 2012 · 5 min
Teresa Torres shares the four opening questions she uses when screening candidates for product management roles, drawn from her consulting work recruiting PMs and designers. The questions probe a candidate's mental…
Product Talk · Teresa TorresJan 22, 2026
Jan 22, 2026
This episode of Just Now Possible features three leaders from Healio, a 125-year-old medical publisher, discussing how they built Healio AI, an assistant helping physicians prepare for patient care. The core argument is…
Product Talk · Teresa TorresMar 19, 2013
Mar 19, 2013 · 3 min
Teresa Torres argues that a single A/B test rarely settles a question; instead, teams should string related hypotheses together around one underlying insight. Using an email subject-line example about urgency, she shows…
SVPG · Marty CaganMay 11, 2010
May 11, 2010 · 8 min
Marty Cagan, a consultant who works mainly with CEOs and product leaders, writes an open letter to designers about common mistakes that undermine their impact on products. He argues that designers should be involved…
Product Talk · Teresa TorresAug 5, 2013
Aug 5, 2013 · 4 min
Teresa Torres uses the story of a skier who tried to build a snowboard that worked like skis, despite lukewarm feedback, to show how product teams fall into one-idea-at-a-time thinking. Drawing on the Heath brothers'…
Product Talk · Teresa TorresNov 8, 2023
Nov 8, 2023 · 12 min
Teresa Torres describes her Continuous Discovery Habits (CDH) community, built on the idea that people learn best in community rather than from reading alone. She explains why she shifted from being the expert to…
SVPG · Marty CaganJul 18, 2022
Jul 18, 2022 · 3 min
Marty Cagan argues that the best products often emerge during economic downturns, when companies lack the money to paper over weak products. He contends that many firms, especially those with abundant funding, assume…
SVPG · Marty CaganOct 4, 2022
Oct 4, 2022 · 4 min
Marty Cagan argues that "product sense" is a misleading term because it suggests an innate gift, when in reality it is deep product knowledge built through sustained immersion in a specific product space. He describes…
Lenny’s Newsletter · Free post♥ 335
Jun 11, 2024 · 6 min
Lenny Rachitsky surveyed hundreds of product managers, then ran follow-up calls, to collect concrete ways PMs use Perplexity, the AI-powered search engine, in their daily work. The post groups 27 real prompts into six…
Product Talk · Teresa TorresApr 8, 2026
Apr 8, 2026 · 17 min
Teresa Torres traces how product roadmaps have evolved from feature-and-date lists to theme and outcome-based formats, arguing each fixes some problems while creating others. Feature roadmaps imply false certainty that…
SVPG · Marty CaganJul 27, 2007
Jul 27, 2007 · 5 min
Marty Cagan reflects on his first weeks with the original iPhone to extract product lessons. He argues that breakthrough products cannot come from focus groups or pundits, since users only describe incremental…
SVPG · Marty CaganJul 14, 2005
Jul 14, 2005 · 3 min
Marty Cagan uses General Patton's quote about telling people what to do rather than how to do it to argue that product managers should specify outcomes, not implementations. He identifies two failure modes: customers…
Product Talk · Teresa TorresSep 15, 2026
Sep 15, 2026 · 3 min
Teresa Torres and Petra Wille challenge the popular claim that AI has made software delivery free, arguing that while building a single feature is far cheaper, producing a real, production-quality product is not. They…