Hi, I'm Thien
A fullstack developer, AI Engineer and solopreneur who loves technology and programming. This blog is where I write down what I research and explore in technology, AI, and business, to remember it better and share it with anyone who has the same interests.
Recent Posts
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Vibe Coding Is Not Agentic Engineering — Here's How to Tell the Difference
Why AI can refactor 100k lines of code but still give you wrong directions to a car wash — and Karpathy's framework for working with agents the right way.
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How I stopped chasing Obsidian frameworks and built my own with AI
Why copying other people's PKM frameworks almost always fails, and how to use AI to design a note-taking system that fits your actual habits.
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Obsidian plugins I use in my vault
A practical cheatsheet for choosing Obsidian plugins by their role in capture, metadata, navigation, visual thinking, automation, publishing, and AI-assisted PKM.
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Agent Browser as an interface for AI agents
Agent Browser turns browser automation into a clearer interface for AI agents through snapshots, refs, persistent sessions, CDP, and observability tools.
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Don't compete through the small door
A founder-oriented essay on avoiding crowded markets, capturing value, and building monopoly-like advantage from a small market wedge.
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X accounts for AI and dev tools
A curated radar for developers who want to follow better signals on AI, dev tools, product judgment, design engineering, software leadership, and frontier-lab updates straight from the source.