The Looking Glass podcastApr 14, 2026
Apr 14, 2026
Key learnings- World-class designers are distinguished by judgment and taste, not just the ability to execute polished visuals.
- Excellent designers obsess over the underlying problem before jumping to solutions, which separates them from those who iterate…
- Strong designers can articulate why a decision is right, tying craft choices back to user needs and business constraints.
Lenny’s Podcast100 min
Jenny Wen · Mar 1, 2026
Key learnings- Classic linear design process (research, diverge, converge) is breaking down as engineers ship prototypes quickly; designers…
- Design work is splitting into two modes: supporting implementation and setting a vision, where the vision now often spans three…
- Designers can use coding tools to do last-mile polish and prototype in real code, rather than waiting on engineers for every…
Lenny’s Podcast148 min
Bob Baxley · Jun 12, 2025
Key learnings- Before joining a new company, check whether founders genuinely believe in design; design-led cultures are born that way, not…
- When changing cultures, keep your core values but re-express them in the new company's behaviors rather than carrying over old…
- Keep teams small when inventing something new; add people once the vision is clear, since more people slows creative convergence.
Lenny’s Podcast113 min
Katie Dill · Oct 15, 2023
Key learnings- Beauty and functionality are not opposites; beauty enhances usability, approachability and trust, and users read attention to…
- When joining a team, come in listening and build trust first; Katie's early team intervention taught her that people won't follow…
- Quality is a group effort: align engineering, product and design on shared standards, and use an editor or architect to ensure…
Lenny’s Newsletter · Free post♥ 363
Mar 15, 2022 · 18 min
Jules Walter argues that product sense is a learned skill rather than an innate talent, defined as consistently crafting products that have the intended impact on users through empathy and creativity. He offers four…
Lenny’s Podcast118 min
Karri Saarinen · Oct 8, 2023
Key learnings- Ship features early to a small set of users or internal teammates and polish only at general release, rather than perfecting…
- Co-create early features with one or a few large customers to clarify how complex workflows should actually work.
- Give project teams ownership of their features; craft often emerges when engineers and designers discover better interaction…
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…
SVPG · Marty CaganSep 24, 2014
Sep 24, 2014 · 3 min
Marty Cagan argues that UX designers often work in isolation, going off for days or weeks to produce a polished 'grand reveal,' a pattern he calls the 'internal agency model.' This breaks down because requirements and…
Lenny’s Podcast109 min
Stewart Butterfield · Nov 20, 2025
Key learnings- Plot features on a utility curve to see whether extra investment is still on the steep part of the value gain or has reached…
- Judge a product by whether users understand what it does; in many places the real challenge is comprehension, not friction, so…
- Cultivate taste deliberately: taste can be trained, and leaning into craft can become a competitive advantage that less-attentive…
SVPG · Marty CaganSep 14, 2006
Sep 14, 2006 · 5 min
Cagan argues that many product teams neglect design, leaving products with weak user experiences because the design roles that shape usability and emotional appeal are missing. He lays out four design roles that work…
SVPG · Marty CaganApr 16, 2007
Apr 16, 2007 · 5 min
Cagan argues that user experience design should be completed before implementation begins, even though requirements/design and implementation/testing can each be run in parallel within their own pairs. He explains that…
SVPG · Marty CaganAug 29, 2016
Aug 29, 2016 · 5 min
Marty Cagan argues that a company building its first in-house design team should not simply recreate the old agency model, where designers received specs and produced screens. Modern product designers work continuously…
SVPG · Marty CaganFeb 22, 2007
Feb 22, 2007
Marty Cagan argues that great products are not accidents but follow from a set of consistent principles. He lists ten truths, centered on the primacy of user experience design, the need to test ideas with real users…
SVPG · Marty CaganAug 30, 2006
Aug 30, 2006 · 3 min
Cagan argues that most websites are hard to use, ugly, or both, and that even companies that invest in design often fall short. He observes that interaction designers tend to produce usable but dull sites, while visual…
SVPG · Marty CaganJan 6, 2011
Jan 6, 2011
Cagan argues that the product design field should expand its focus well beyond usability. Usability still matters and can differentiate products, especially in enterprise software, but the harder question is whether…
SVPG · Marty CaganDec 27, 2018
Dec 27, 2018 · 5 min
Chris Jones argues that enterprise software companies often underinvest in product design because they assume only end users benefit from it, when design also drives buyer decisions. He contends that the product itself…
SVPG · Marty CaganApr 4, 2010
Apr 4, 2010 · 3 min
Marty Cagan recalls his early-1980s work at HP Labs, where research head Joel Birnbaum asked why most people dislike their computers, and proposed the idea of a 'domesticated computer' that adapts to people rather than…
Product Talk · Teresa TorresJun 24, 2013
Jun 24, 2013
“As I mentioned last week, I'm working with a design intern this summer. We were talking about the over all design process, when I argued, when you get to the ideation stage you have to grind it out. I like this metaphor. You can't just have one or”
HEY World · Jason FriedOct 7, 2025
Oct 7, 2025
Jason Fried argues that the most interesting design is the kind that changes how people behave, not just how something looks or works. He uses the power reserve indicator on the A. Lange & Söhne Lange 1 watch as an…
SVPG · Marty CaganDec 15, 2008
Dec 15, 2008
Marty Cagan argues that removing usability problems and bugs only gets a product to the absence of pain, which is not the same as delighting users. Great products cause pleasure, sometimes from raw value, but often from…
Lenny’s Podcast78 min
Ian Silber · Aug 16, 2026
Key learnings- Designers are still early in adapting to AI; nobody has a settled design process, so starting to experiment today already gives…
- Design work has not sped up as much as engineering because the process still requires messy iteration, trying and discarding…
- Use AI tools across the whole design process, including dropping early ideas into a coding or agent tool to prototype and think…
The Looking Glass · Julie Zhuo♥ 159
Jun 24, 2025
Julie Zhuo argues that as AI systems get better at producing polished work, the traditional signals of skill and craft are eroding, pushing people to ask what human contribution still matters. The essay frames this…
HEY World · Jason FriedJan 14, 2026
Jan 14, 2026
Jason Fried argues that the original Cuisinart food processor is a near-perfect example of interface design. Its two large paddle buttons, one latching for continuous ON and one spring-loaded for momentary PULSE/OFF…
Product Talk · Teresa TorresAug 13, 2013
Aug 13, 2013 · 3 min
Teresa Torres describes a design problem with a job posting form's location options, where combining multiple location types and telecommute rules created excessive complexity. Instead of designing from scratch, her…