Thoughts

Writing on AI,
product & systems

Long-form thinking on search, recommendation systems, LLM products, and the emerging intersection of AI and physical intelligence.

8 min

How Search Became an AI Problem

The evolution from keyword matching to semantic understanding didn't happen overnight. Here's the product thinking behind modern search architecture — and why relevance is now an AI problem first.

Vector SearchSemantic RelevanceProduct Architecture

Building Recommendation Systems That Drive Revenue

Most recommendation systems optimize for engagement. The ones that move GMV think differently — about intent, context, and the product moment where a recommendation turns into a transaction.

Collaborative FilteringGMV OptimizationMarketplace Growth

The Future of AI Product Management

The PM role is changing. As LLMs become infrastructure rather than features, the product decisions that matter shift from what to build to how to evaluate, constrain, and orchestrate AI systems.

LLMsEvaluationProduct Leadership

Evaluation Is the New Product Discipline

You cannot ship reliable AI products without rigorous evaluation — and most teams treat eval as an afterthought. The teams winning with AI are the ones who treat evaluation as a first-class product investment.

EvaluationQuality MetricsAI Systems

March 2025

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11 min

The Cold Start Problem in Marketplace Search

New inventory, new users, sparse interaction data — the cold start problem is a structural challenge for every marketplace. Here's how to architect search systems that degrade gracefully and learn quickly.

Cold StartSparse DataSearch Architecture

Product Thinking for Physical AI

Software product principles don't break in robotics — they get harder. Evaluation is more expensive, iteration is slower, and failure has physical consequences. Here's what needs to change.

Physical AIRobotics PMAutonomous Systems

May 2025

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Writing on AI,product & systems

How Search Became an AI Problem

Building Recommendation Systems That Drive Revenue

The Future of AI Product Management

Evaluation Is the New Product Discipline

The Cold Start Problem in Marketplace Search

Product Thinking for Physical AI

Writing on AI,
product & systems