Sameer Bajaj
Product manager at Affirm working on payments (previously ads and revenue at Twitter). I use this site for my 20% time on evenings and weekends—writing about what’s top of mind, shipping tools and apps, sharing hacks along the way, and collecting book notes.
Selected Writing
A product strategy breakdown of AI code editors, zero switching costs, and where the real moat lies.
Why Xerox PARC fumbled the GUI, and what Daniel Ek's warning on focus teaches builders about protecting what made them great.
Reflections on the A-players behind Apple's most revolutionary products and the philosophy that drove their success.
If you're not writing, you're not thinking. Be careful about what you outsource to AI.
How Petr Cech's penalty research and Andre Agassi's hidden tell prove luck is often invisible, hyper-specific preparation.
An Adlerian framework on unlearning the need for control and turning relationship anxiety into support.
Book Notes
The foundational guide on diagnostic kernels, guiding policies, and why most strategy is fluff.
The essence of competitive advantage, five forces, and why competition in business isn't about being the best.
Churchill's formative, audacious years as an ambitious young war correspondent in South Africa.
Shackleton's shipwreck and the ultimate case study in crisis leadership and perseverance.
Essential traps of p-values, power analysis, and hidden incentives in scientific studies.
Side Projects
Personalized wisdom from product leaders featured on Lenny's Podcast matched to your exact company situation.
Native macOS app to inspect, evaluate, and manage AI agent skills across providers.
Analytics dashboard built by reverse-engineering my smart crib's API. Detailed sleep architecture and CSV data export.
macOS menu bar app that monitors Codex CLI quota across multiple OpenAI accounts at a glance.
Transform messy Kindle clippings into structured notes with highlight search and Readwise export.