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Hey there 👋

Welcome!

I'm Chao, an software engineer and founder. I try to live my life by building things people want.

Here you will find my writings, my work and more about me.

Recent Posts

Published on
February 20, 2025
Jevons Paradox and Never Enough
Why efficiency doesn’t reduce demand but fuels more consumption.
Published on
August 2, 2024
Stop searching for billion-dollar startup ideas
Be aware of the unicorn idea trap that stops you from starting
Published on
December 6, 2023
I Cloned OpenAI's LLM Playground
How I cloned OpenAI playground using Next.js 13, Tailwind CSS, Shadcn UI, and Vercel AI SDK.
Published on
August 1, 2023
Case study: Build A Custom ChatGPT Bot
Some learnings from building a custom ChatGPT bot using LangChain, Pinecone, and Next.js.