Drawer 10 · 131 notes · 24 people · 2005–2026

Product design & UX

Design craft, UX, taste, and working with designers

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Answers from Product design & UX notes, cited
The Looking Glass · Julie Zhuo♥ 53

AI for No Good Reason

Sep 17, 2026
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Julie Zhuo's paid essay looks at playful, seemingly pointless things people build with AI when no one is tracking the hours or demanding a business case, such as an unusual bird display, a talking phone, and a game…

SVPG · Marty CaganJun 25, 2007

Build New or Fix Old?

Jun 25, 2007 · 3 min

Marty Cagan argues against setting a fixed percentage split between new product development and improving existing products. Instead, every investment, whether new or improvement, should be treated as a product…

Medium · Hiten ShahNov 21, 2025

The History of Website Heatmaps

Nov 21, 2025 · 25 min

“Web analytics in 2005 had a blind spot big enough to build a company on. That blind spot became Crazy Egg. The tools you rely on today have their own. Before heatmaps existed, the web felt like something you could measure but not quite understand. Analytics tools provided numbers that looked exact. Pageviews. Bounce rates. Click totals. The surface looked…”

SVPG · Marty CaganJun 14, 2005

Startup Product Management

Jun 14, 2005 · 3 min

Marty Cagan argues that the common startup approach of funding engineers to build a product before validating it is inefficient and causes many good ideas to fail. Founders typically act as product manager, build in…

Product Talk · Teresa TorresJan 10, 2012

Build Your Visual Communication Skills

Jan 10, 2012 · 3 min

Teresa Torres argues that product managers constantly communicate complex ideas to engineers, designers, sales, and customers, and that visual thinking is one of the most effective ways to do it quickly and accurately…

HEY World · Jason FriedMar 12, 2025

Randomly right

Mar 12, 2025

Jason Fried's short essay argues that randomness, as seen in untouched nature, is among the most beautiful things there is. He describes forests, fields, stones, light, wind, and water as arrangements that never line up…

SVPG · Marty CaganSep 17, 2012

Dual-Track Agile

Sep 17, 2012

Marty Cagan argues that Agile product teams often suffer from poorly defined backlog items, slow velocity, rework, and unvalidated ideas. He proposes Dual-Track Agile, which runs a Discovery track to quickly validate…

SVPG · Marty CaganApr 15, 2012

Defining Good

Apr 15, 2012 · 3 min

Marty Cagan responds to a common challenge: why are products like Facebook, Amazon, and Google so successful if they seem poorly designed? He argues that product people often confuse their own tastes with the target…

@ttorres · Teresa Torres on X♥ 4
🎙️Unpacking Innovation Is innovation the goal — or just a byproduct of solving customer problems well? In this episode of All Things Product, Petra Wille and Teresa Torres unpack one of the most misused words in product: "innovation." Teresa makes the case that chasing novelty for its own sake…
SVPG · Marty CaganMar 30, 2010

Technology First vs. Needs First

Mar 30, 2010 · 5 min

Marty Cagan responds to a debate sparked by Don Norman's essay arguing that big societal innovations are driven by technology first and needs later, which Norman frames against heavy upfront user research. Cagan says…

SVPG · Marty CaganSep 27, 2009

Holistic View of Product

Sep 27, 2009 · 5 min

As a product grows from one team to many, keeping a holistic view of how the whole product fits together becomes very hard. Cagan argues that three senior roles are needed to hold that view: a principal designer for…

SVPG · Marty CaganOct 1, 2007

Prototype Testing

Oct 1, 2007 · 16 min

Marty Cagan argues that testing high-fidelity prototypes with real users is the most important activity a product manager performs, because it reveals whether people can use a product and whether they want it before…

SVPG · Marty CaganNov 12, 2009

Product Discovery Diary

Nov 12, 2009 · 8 min

Marty Cagan walks through a fabricated three-week product discovery sprint to show what the fast, iterative rhythm of discovery actually looks like compared with linear, Waterfall-style processes. The team sets product…

SVPG · Marty CaganMay 31, 2018

Skateboards vs. Cars Revisited

May 31, 2018 · 6 min

Marty Cagan revisits Henrik Kniberg's skateboard-versus-car MVP article and argues it describes what engineering-only teams can do, not what true cross-functional product teams should do. He contends that a skilled…

SVPG · Marty CaganApr 2, 2011

The Importance Of Failing

Apr 2, 2011

Marty Cagan argues that product teams learn most when they put early, rough ideas in front of real users, and that they should do so faster than feels comfortable. He notes that polishing ideas in private mostly deepens…

SVPG · Marty CaganFeb 13, 2021

Prototype of the Day

Feb 13, 2021 · 3 min

Marty Cagan describes a common remote-work problem in product discovery: teams drift back into passing static artifacts between product manager, designer, and engineers instead of collaborating closely. His proposed fix…

SVPG · Marty CaganFeb 24, 2005

Product Validation

Feb 24, 2005 · 5 min

Marty Cagan argues that product managers should validate a product specification before handing it to engineering, rather than trusting the spec and planning to adjust after beta feedback. Because prototyping costs have…

SVPG · Marty CaganJun 1, 2011

The Two Core Competencies

Jun 1, 2011

Marty Cagan argues that good product teams must excel at product discovery, which is fundamentally a skill of learning quickly: identifying the right target customer, finding the key problems to solve, and designing…

SVPG · Marty CaganJan 18, 2008

Are You Technical Enough?

Jan 18, 2008 · 6 min

Cagan asks how much technical competency a product manager really needs, noting that managers and candidates alike are unsure where the bar sits. He argues technology knowledge matters because great products pair a real…