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A collection of notes, essays, and tiny postmortems from things I’ve made, read, noticed, or overthought. Mostly design, sometimes life, always a little bit curious.

AllRandom ThoughtsProduct ThinkingPatternsTeamsProductivityDesign SystemPrinciplesUser Research

©2026 Belle Lee · Last updated 05.02.2026

May 1, 2026Product Thinking

Synthetic users are not user research

Real product decisions still need real people, real behavior, and the messy context AI can’t simulate.

Design process is dead… or not?
April 24, 2026Product Thinking

Design process is dead… or not?

AI makes design faster, but it doesn’t replace the judgment needed to understand problems, evaluate ideas, and choose the right process.

I used AI for a week - and this is what I’ve learned
January 31, 2026Product Thinking

I used AI for a week - and this is what I’ve learned

I took a week off to stop being scared of AI—and learned how to make friends with it.

Challenges with user interviews
October 18, 2025Product Thinking

Challenges with user interviews

A reflection on learning that user interviews are not just about asking better questions, but also about surviving the messy logistics of recruiting, scheduling, and getting the right people in the room.

My first month building AI browser
August 22, 2025Product Thinking

My first month building AI browser

A first-month reflection on what it really means to build an AI browser: rethinking search, tabs, intent, and the blurry line between browsing and assistance.

Browser 2.0
August 9, 2025Product Thinking

Browser 2.0

As AI turns search into synthesis and tabs into context, the next browser won’t be organized around pages — it’ll be organized around intent.

Is AI replacing search?
July 25, 2025Product Thinking

Is AI replacing search?

Search gives us places to look. AI gives us a place to think. The next browser may need to understand the difference.