Marty Cagan reflects on the many competing definitions of the product role and argues that how a product person defines their job reveals a lot about their experience. He highlights an analysis by technology analyst…
John Cutler, writing in response to a friend who wanted his unpolished, opinionated view, presents a set of candid operating takes for product and team leaders. The piece's premise is that leaders often hedge or present…
Julie Zhuo writes a letter to her 11-year-old daughter about the value of struggling through hard work when AI can make almost anything effortless. The piece frames the problem as a question of cultivating the eye…
"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…
Teresa Torres recounts how, starting as a complete AI beginner after an ankle injury in March 2025, she transformed her product-discovery work over about fifteen months. She moved from using ChatGPT as a search engine…
"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…
This reading-guide post kicks off a monthly book club around Teresa Torres's Continuous Discovery Habits, focusing on Chapter 9, which covers identifying hidden assumptions. The chapter argues that teams should test the…
John Cutler argues that visual maps of product work, such as value streams, dependency diagrams, or process flows, can create a false sense of clarity and hide real problems. When the underlying system is incoherent, a…
John Cutler's essay uses the image of a border collie, a dog bred to be intensely focused and productive, to examine the trade-offs organizations make when they optimize hard for a single drive or output. The argument…
The source text provided is only the title, subtitle, author, date, and type, with no body content to analyze. The title suggests an essay on the Antithesis Principle, framed as something smart people overlook and wise…
John Cutler reflects on his early product career, when a single product manager bundled research, analysis, design sketching, requirements writing, release coordination, support, and even coding into one role. He notes…
NHS clinicians get ten minutes with a generalist, if they can get an appointment at all—leaving little room for the specific, personal questions women's health actually requires. Hertility Health made a longer intake mandatory before purchase, and something unexpected happened: conversion went up…
Jason Fried argues that how fast a product is built, how many commits or people went into it, and how many hours were spent are all development metrics about the work, not the product. These measures say nothing about…
Marty Cagan argues that the so-called AI productivity paradox, where teams ship faster but outcomes do not improve, is not really a paradox at all. Most organizations use AI to accelerate the old project model, which is…
How do you build trustworthy AI diagnostic tools in one of medicine's most historically under-researched areas? In this episode of Just Now Possible, Teresa Torres talks with Tulsi Patel (Director of Product and Technology), Lorna Brightmore (Head of Data and AI), and Jack Pickard (Head of…
This episode of Just Now Possible features three Hertility team members discussing how they build AI diagnostic tools for women's health in the UK and Ireland. Hertility combines online health assessments, at-home…
I'm seeing a huge difference in performance (in a bad direction) across my evals moving from Sonnet 4.6 to Sonnet 5. Previously, my service ran at temperature 0. I'm wondering what prompt strategies people are using to constrain Sonnet 5 now that temperature is no longer an option.
John Cutler argues that organizations measuring AI success often fixate on the wrong denominator, counting outputs or usage rather than the outcomes that actually matter. The piece is framed around a simple model for…
🎙️Quality of Evidence You've got behavioral analytics, support tickets, sales call notes, and a feedback inbox that never empties. With all that data coming in, do product teams actually still need to go out and talk to users? In this episode, Petra Wille and Teresa Torres dig into why not all…
This podcast episode between Teresa Torres and Petra Wille argues that product teams are flooded with data but that not all evidence carries the same weight. Low-effort signals like support tickets and app reviews are…
The essay argues that AI does not remove the core difficulties of product and engineering work, namely complexity, coupling, coordination costs, uncertainty, and system decay. What AI changes is the cost, speed, and…
Teresa Torres interviews the founders and CTO of Snapbar, a 14-year-old company that started as a wedding photo booth business, pivoted to a virtual product when COVID eliminated its events, and then rebuilt itself…
Teresa Torres and Petra Wille argue that individual contributors can build real leadership skills before receiving a title. They suggest first clarifying what leadership means in your own organization, since official…
Lenny Rachitsky reports results from his second annual tech worker sentiment survey, finding the workforce splitting into those amplified by AI and those destabilized by it. Burnout has risen sharply, career optimism…