Lenny’s Newsletter♥ 184
Jul 18, 2023 · 26 min
Subscriber post — summary onlyGuest authors Michael Kaminsky and Mike Taylor explain how marketers measure incrementality, the true sales caused by spend, using three methods: multi-touch attribution, marketing mix modeling, and conversion lift…
Lenny’s Newsletter♥ 225
Nov 7, 2023 · 13 min
Subscriber post — summary onlyThe post introduces DRICE, a two-stage prioritization method for product and growth teams. It starts with RICE scoring (Reach, Impact, Confidence, Effort) to build a shortlist, then applies a deeper 30-minute DRICE…
Lenny’s Newsletter♥ 82
Dec 6, 2022 · 18 min
Subscriber post — summary onlyLenny Rachitsky shares tactics from angel investor and founder Sam Corcos on getting real value from investors. The post argues founders often fail to activate their networks because they don't ask well, and covers…
producthabits.com · Hiten ShahNov 12, 2018
Nov 12, 2018 · 29 min
“By 2011, Facebook, Twitter, and LinkedIn had effectively dominated the social media space so completely, it felt like there wasn’t room for another social app. However, to Evan Spiegel, then… Keep reading The post Is Snapchat Going to Die? appeared first on Product Habits.”
Lenny’s Newsletter♥ 15
Oct 20, 2020 · 6 min
Subscriber post — summary onlyLenny Rachitsky crowdsources and researches which metrics early-stage bottom-up SaaS founders should track, before and after revenue, and which tools and dashboards teams use to visualize them. The post ranks core…
Lenny’s Newsletter · Free post♥ 517
Feb 20, 2024 · 15 min
Lenny Rachitsky argues that product and business teams should start experimenting with custom GPTs now, since AI tools are often dismissed as a fad or too complex. He explains what GPTs are, how to build one by…
Product Talk · Teresa TorresJun 17, 2013
Jun 17, 2013 · 3 min
Teresa Torres reviews Lean Analytics by Alistair Croll and Ben Yoskovitz and argues it is an essential, accessible guide to product and startup analytics. She notes it covers the basics of good metrics and segments…
SVPG · Marty CaganNov 15, 2006
Nov 15, 2006 · 5 min
Cagan argues that 'user abuse' happens when product teams ship changes that users didn't ask for, didn't expect, or can't absorb, and that it is largely caused by the natural human resistance to change. He explains that…
Lenny’s Newsletter♥ 26
Jun 23, 2020 · 11 min
Subscriber post — summary onlyLenny Rachitsky shares how he evaluates marketplace business ideas after reviewing 100+ companies. He argues that founders and investors should first test the underlying business against seven core criteria…
Product Talk · Teresa TorresMar 14, 2013
Mar 14, 2013 · 11 min
Teresa Torres argues that A/B testing should follow the scientific method rather than being used for trivial tweaks like button colors or wording. She recommends starting from a real insight about why recipients ignore…
Lenny’s Newsletter♥ 102
Mar 5, 2024 · 22 min
Subscriber post — summary onlyThe post argues that a Product Hunt launch is worth the heavy time investment only for the right product and goals, and outlines seven tactics for a strong launch alongside five common myths. It frames…
Product Talk · Teresa TorresJun 7, 2012
Jun 7, 2012 · 3 min
Teresa Torres argues that the rapid user decline of BranchOut, a Facebook-based social recruiting app, was predictable because its core assumption failed. Her team had built a similar product and, through interviews…
Product Talk · Teresa TorresMar 6, 2013
Mar 6, 2013 · 4 min
This post sets out what product teams should realistically expect from email metrics: open rates, click-through rates, conversion rates, and unsubscribes. It explains that open rates are an imperfect approximation…
Product Talk · Teresa TorresMar 1, 2013
Mar 1, 2013 · 5 min
Teresa Torres argues that product emails only help if they are designed to convert, and recommends building a reusable email template rather than designing each message from scratch. A template lets teams user-test and…
Product Talk · Teresa TorresApr 2, 2013
Apr 2, 2013 · 3 min
Teresa Torres argues that even improvements to a product will trigger resistance, because users must adjust to any change. She contrasts Facebook's rocky rollout of the News Feed and Beacon with its smoother launch of…
Lenny’s Newsletter♥ 32
Aug 3, 2021 · 7 min
Subscriber post — summary onlyThe post argues that marketplaces succeed by choosing one of three routes: delivering far more convenience, offering a significantly lower price, or unlocking desirable supply that customers want. It also explains what…
SVPG · Marty CaganFeb 14, 2006
Feb 14, 2006 · 3 min
Cagan argues that shipping updates to an established user community requires care, because users dislike change and today's connected internet lets them punish bad releases quickly. He calls the disciplined approach to…
Product Talk · Teresa TorresJan 15, 2025
Jan 15, 2025 · 13 min
Teresa Torres uses her annual letter to reflect on a burnout-filled 2024, where she rediscovered joy in her work by reworking her community, launching a self-paced course, and tightening her email and webinar offerings…
Lenny’s Newsletter♥ 257
Jan 6, 2026 · 8 min
Subscriber post — summary onlyLenny Rachitsky's year-end roundup collects the most popular posts from his newsletter, grouped by theme such as AI, career, strategy, growth, and execution, plus a few all-time classics. He also reviews his 2025 goals…
producthabits.com · Hiten ShahNov 21, 2018
Nov 21, 2018 · 4 min
Hiten Shah surveyed practitioners about how they measure customer happiness and found that 55% rely on Net Promoter Score, a single-question metric in use since 2003. The article reports other methods, including…
SVPG · Marty CaganJan 19, 2015
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 CaganAug 2, 2011
Aug 2, 2011
Marty Cagan argues that competition is a constant in most markets, yet companies often waste energy reacting to rivals through feature-chasing and attacking competitors' weaknesses. He contends customers rarely leave…
Substack · Shreyas Doshi♥ 50
Jan 2, 2026
Shreyas Doshi argues that a common implicit assumption, that everything should be meant for everyone, is mistaken, and that treating narrow fit as a defect leads people to create and consume poorly. The essay's framing…
Product Talk · Teresa TorresMar 2, 2022
Mar 2, 2022 · 8 min
Teresa Torres argues that frequent, consistent customer interviews are a keystone habit of continuous discovery, since they make other discovery habits easier to adopt. She addresses who to interview: early on, anyone…