Product Talk · Teresa TorresSep 12, 2018
Sep 12, 2018 · 8 min
“Back in March, I shared a case study about one of the product teams I worked with at Snagajob (now Snag). I’m excited to share another one with you today. This case study is about a team at CarMax that I just finished working with. You’ll see that”
Product Talk · Teresa TorresJul 14, 2026
Jul 14, 2026 · 3 min
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…
@ttorres · Teresa Torres on X♥ 9
💭 "I wish I could click on this card and be like, 'Clean this up.'" When a customer pointed out a flat, unstructured branch in her AI-generated opportunity solution tree, it sparked a three-week journey to fix the problem at its source. Here's what you'll learn from this article: How one customer…
Product Talk · Teresa TorresFeb 10, 2016
Feb 10, 2016 · 8 min
Teresa Torres explains how she selects participants for a product management research study that drew 90 responses in 48 hours. She argues that interviewing is qualitative and descriptive, so the statistical idea of a…
Product Talk · Teresa TorresMar 5, 2026
Mar 5, 2026 · 3 min
Teresa Torres interviews Matthias and Charlotte Kleverud, co-founders of Momental, about building a "GitHub for product management" that ingests documents, transcripts and recordings to map goals, decisions and…
Product Talk · Teresa TorresDec 11, 2019
Dec 11, 2019 · 8 min
This Product in Practice piece profiles Chris Hockley, a lean agile coach at SuperAwesome, who introduced the opportunity solution tree to several product teams through a staggered rollout. He found that teams grasped…
Product Talk · Teresa TorresAug 19, 2013
Aug 19, 2013 · 4 min
Teresa Torres argues that product teams often fall for confirmation bias: people notice evidence that supports their ideas and overlook disconfirming signals, even when given the same data. Her example shows how…
Lenny’s NewsletterSep 9, 2025
Sep 9, 2025 · 20 min
Subscriber post — summary onlyHamel Husain and Shreya Shankar outline a practical playbook for building AI evaluation systems that improve a product rather than just producing dashboards. The core argument is to start with error analysis by a domain…
Lenny’s Newsletter · Free post♥ 51
Sep 17, 2021 · 13 min
Behavioral scientist Kristen Berman argues that people often act against their own intentions, and that behavioral design, which blends psychology and economics, can help product teams close the gap between intent and…
Lenny’s Newsletter♥ 98
Aug 9, 2022 · 43 min
Subscriber post — summary onlyPart five of a six-part series on building a consumer business, focused on retention and finding product-market fit. The post argues PMF is a spectrum of confidence, signaled by flattening retention curves, organic…
Lenny’s Podcast88 min
Gibson Biddle · Jun 20, 2022
Key learnings- Frame product strategy as a set of testable hypotheses about how to delight customers in hard-to-copy, margin-enhancing ways, and…
- Use A/B tests to check what customers say they want; Gibson's new-release test showed that faster delivery barely moved…
- Estimate the value of a feature by multiplying affected customers by lifetime value and a word-of-mouth factor, then weigh it…
Product Talk · Teresa TorresMar 11, 2026
Mar 11, 2026 · 5 min
Teresa Torres introduces a new series, Conversations with Claude, showing how she uses Claude Code for real work. Her first example is a content audit of Product Talk, which she delegated to Claude with a task file and…
Product Talk · Teresa TorresOct 9, 2025
Oct 9, 2025
Teresa Torres interviews SallyAnn DeLucia and Jack Zhou of Arize AI about building Alyx, the AI agent that helps teams debug, optimize, and evaluate AI applications. The team describes scrappy beginnings in Jupyter…
Product Talk · Teresa TorresAug 22, 2013
Aug 22, 2013 · 3 min
Teresa Torres examines the common push to build a mobile app and tests the assumption that it will drive growth. Stakeholders often justify the idea with broad beliefs about mobile usage, yet the data on typical app…
Product Talk · Teresa TorresSep 2, 2026
Sep 2, 2026 · 26 min
Teresa Torres argues that AI evals should be a core discovery habit for product teams, not just an engineering concern. Because LLM outputs are probabilistic and semantic, traditional pass/fail unit tests don't work…
Lenny’s Newsletter♥ 13
May 26, 2020 · 6 min
Subscriber post — summary onlyLenny answers a reader question on how to split effort across conversion levers (focus, motivation, friction) and which tends to pay off most. He shares rules of thumb such as starting wide, mining past wins, and mixing…
Lenny’s Podcast159 min
Eli Schwartz · Sep 19, 2024
Key learnings- Treat SEO as a product: start by understanding the user's search journey and what they would actually type before investing…
- Skip SEO if you can't name the specific searches your target user would make; many SaaS products lack a real search journey and…
- Expect AI answers to absorb top-of-funnel discovery queries, and focus SEO effort on mid-funnel, intent-rich queries where users…
Lenny’s Newsletter♥ 229
Aug 1, 2023 · 13 min
Subscriber post — summary onlyLenny Rachitsky, with OpenView and Pendo, benchmarks free-to-paid conversion from a survey of 1,000+ products, defining good and great rates for freemium, sales-assisted, and free-trial models. It argues conversion…
produxlabs.com · Melissa PerriJul 11, 2020
Jul 11, 2020 · 5 min
In this interview from Melissa Perri's CPO Accelerator series, Abbie Moore, CPO of the non-profit Adopt-A-Pet, explains that product leadership at a non-profit shares most fundamentals with for-profit work: customer…
Product Talk · Teresa TorresSep 2, 2026
Sep 2, 2026 · 5 min
Teresa Torres introduces a practical test harness for running AI product evals. Manually running every input through a prompt, saving outputs, scoring them against evals, and repeating for each prompt variant is…
Lenny’s NewsletterAug 12, 2024
Aug 12, 2024 · 18 min
Subscriber post — summary onlyHila Qu, a growth advisor and former GitLab and Acorns growth leader, walks through how B2B companies can add a product-led growth (PLG) motion alongside sales. Her core argument is that PLG and sales are complementary…
Product Talk · Teresa TorresSep 23, 2025
Sep 23, 2025
Teresa Torres and Petra Wille explore AI evals: what they mean, why they matter beyond quality assurance, and how teams can build them. Drawing on Teresa's experience building the Interview Coach tool, the conversation…
Lenny’s Newsletter♥ 214
Apr 2, 2024 · 23 min
Subscriber post — summary onlyDuolingo's VP of Engineering Sean Colombo shares five growth lessons from scaling daily active users from 5 million to nearly 30 million. The core argument is that urgency and fast experiment rollout compound growth…
Product Talk · Teresa TorresFeb 15, 2023
Feb 15, 2023 · 10 min
Teresa Torres ran the inaugural CDH Benchmark survey, collecting responses from 1,999 product people across 78 countries to measure how many teams have adopted continuous discovery habits and whether those habits…