WRITING / FIELD NOTES
Writing
I write about models and tools, and also about content, growth and real-world practice
The point is not what happened, but what to do next time
Original articles
ORIGINAL WRITING / 01
Original articles
What I have learned in practice about AI models, Prompt, content growth and real workflows
I Watched 2k Demos and Broke Down 200 Prompts: Copy-Ready Patterns Even Beginners Can Use
Based on close to 200 public prompts and high-engagement cases, a breakdown of Seedance 2.5's 6 expression structures, 8 control strategies and 3 practical formulas
Building an AI Media Account Abroad: Close the Content, Traffic and Monetisation Loop First
From goals, information sources and modular production to the business model: the core method from a year of making AI content for overseas platforms
The 12 Essential Prompts Every Vibe Coder Needs
The 12 core prompts every vibe coder should master
Step-by-Step: How to Use Kimi K2 to Get the $200 Claude Cowork Experience
Step-by-step: how to use Kimi K2 to get the $200 Claude Cowork experience
How to Set Up Claude Skills: Step-by-Step Guide
Simply put, Skills are like a 'professional skill pack' for Claude, turning it into an assistant that understands your needs better
PODCAST & ARTICLE NOTES / 02
Podcast / article notes
Podcasts, articles and long-form material turned into study notes you can keep using
Mission Is the Boss: Liu Mingyu on the Cosmos Team and NVIDIA's Organizational Philosophy
A thematic close reading of Liu Mingyu on the Cosmos team and NVIDIA's organizational philosophy, from Mission is the boss, aligned goals and autonomous decisions, to GSD, organizing resources and owning outcomes
Sam Altman x Garry Tan: Never a Better Time to Do a Startup
A thematic close reading of Sam Altman's conversation with Garry Tan at Y Combinator Startup School 2026, from the relative advantages of startups, networks and helping people, to freedom, agency and taste in the AI era
Sam Altman x Cory Levy at Internapalooza
A thematic close reading of Sam Altman's live conversation with Cory Levy, from AI lowering the cost of experiments, validation and scaling, to non-consensus judgment, emergent capability and the feedback loop of spotting talent
The full-length interview with Elon Musk
A thematic close reading of The Economist's full interview with Elon Musk: what humans are worth once AI surpasses them, the robot economy, risk control and cross-company governance
Is AI Breaking the Lean Startup Playbook?
A passage-by-passage close reading of Patrick Collison's startup conversation with Harj Taggar: the cognitive cache, lean validation, differentiated starting points in the AI era, and the limits of competing with big companies
LOOPS.md: Designing Agents That Run for Days
Moving from prompts to agent loops that keep running: role separation, on-disk state, acceptance contracts, restart rules and trace auditing
From the Pelican Test to Worlds on Demand
A passage-by-passage close reading of Karpathy's Opus 5 world-generation experiment: long-horizon execution, 3D world modelling, and the limits of a model auditing its own work
LLM Knowledge Bases: Building a Personal Knowledge Base with Large Models
A passage-by-passage reading of Karpathy's personal knowledge-base workflow: data ingest, knowledge organisation, query output, continuous filing back and health checks
CASE STUDIES / 03
Startup case breakdowns
Working backward from results to the product, distribution, pricing and growth moves; kept as a separate archive
He Built a $14K/month SaaS Using Discord
A full breakdown of how Sam, a university student with zero coding background, used Discord to validate demand, land his first 400 users and reach $14K MRR in six months
How Kleo Made $30K in 4 Days: The Complete SaaS Launch Playbook
Lara Acosta shares how Kleo reached $30K MRR in 4 days with an unusual launch strategy and grew from $0 to $60K a month in under two months. A complete SaaS launch guide built on content marketing, a waitlist and webinars
How I built my first SaaS without an audience ($25K/month)
Zero followers, zero tech skills, a SaaS built in 48 hours. He traded equity for distribution and hit $25K a month in 90 days
How I Grew My App to $13K/month (Even Though I Hate Marketing)
An engineer who hates marketing built 50 free tools and reached $13K a month with zero-cost customer acquisition.
How to Validate Your App Idea Before Building Anything ($30K/month)
Without writing a single line of code, these two guys make $30K a month off one fake video
How I Used Twitter to Hit $10K/Month
Posting on X is enough to make $10K a month? This guy's build-in-public game genuinely won me over.
FROM READING TO DOING