Topics
Every topic is a worked-through body of notes — read top-to-bottom like a short course, or dip into a single post.
AI & LLMs
Multi-Agent LLM Systems
Foundations, patterns, protocols (MCP/A2A), memory, reliability, and cost of agentic systems.
9 posts →
AI & LLM Engineering
Building, evaluating, and shipping with large language models.
7 posts →
AI Learning Platform
Notes on building AI-powered learning experiences.
29 posts →
Business & Growth
Go-to-Market Strategy
ICP & positioning, JTBD, pricing, competitive intel, TAM/SAM/SOM, and GTM motion.
15 posts →
Marketing
Demand generation vs capture, category design, comparisons, and live selling.
11 posts →
Growth & Acquisition
Acquisition channels, content/SEO engine, conversion funnel, brand & trust signals.
9 posts →
Metrics & Analytics
Unit economics, cohort retention, MRR/ARR/NRR, attribution, and event taxonomy.
7 posts →
Retention & Lifecycle
Onboarding, behavioral email, dunning, NPS/CSAT, and community moats.
6 posts →
Engineering & Ops
Production readiness, backups, Docker, multi-tenant isolation, billing correctness, compliance.
7 posts →
Feature R&D
Feature improvement rounds, design councils, and game-changer ideas.
7 posts →
QA & Launch Readiness
Real-user QA readiness, platform audits, gap assessments, and launch findings.
9 posts →
Product & Design
Design foundation master plan and storefront design audits.
2 posts →
Certifications
Communication
Engineering
System Design
A 20-module, staff-level curriculum: from back-of-the-envelope estimation to consensus, consistency models, and real-world case studies.
21 posts →
Distributed Systems
The hard middle of modern engineering — replication, partitioning, and failure.
20 posts →
Systems Fundamentals
How computers actually work underneath the abstractions.
11 posts →
Security & Privacy Engineering
Building software that protects its users and their data.
14 posts →
Computer Graphics for Print
Color, raster, vector, and the craft of getting pixels onto paper.
17 posts →
Print Production Craft
The practical craft behind professional print production.
17 posts →
Money & Business
Economics from First Principles
Rebuilding economic intuition from the ground up.
32 posts →
Business & Financial Literacy
Reading the numbers that run a business.
16 posts →
Personal Money Mastery
Practical personal finance, explained simply.
20 posts →
How to Make Money
Ways value gets created and captured.
22 posts →
Sales & Customer Development
Talking to customers and selling honestly.
18 posts →
Thinking & Decisions
Thinking Skills
Mental models and reasoning tools for clearer thought.
17 posts →
Systems Thinking
Seeing the loops, stocks, and flows behind complex problems.
22 posts →
Psychology of Decisions
How we actually decide — biases, heuristics, and how to do better.
22 posts →
Clear Thinking & Expression
Thinking clearly and saying it plainly.
25 posts →
Product Sense & Empathy
Building the right thing for real people.
18 posts →
Ten Disciplines
A cross-disciplinary toolkit for a well-rounded mind.
30 posts →
Life, Money & Relationships
The non-technical things that matter most.
30 posts →