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PERSONAL NOTES / PRIVATE OBSERVATORY
PERSONAL
NOTES
A quiet archive of thinking, implementation, and verification notes across AI, UX, marketing, work, and tools.
What I noticed, what I built, and what I tested.
Collected as judgment criteria for the next design.
THEMES
Themes
AIAI
Notes on AI usage, agents, judgment criteria, and how individual knowledge becomes reusable context.
OPEN RECORD UXUX DESIGNObservations on experience design, information architecture, problem solving, and practical UI decisions.
OPEN RECORD MARKETINGMARKETINGNotes on search, CRM, email, customer touchpoints, and marketing structure in the AI era.
OPEN RECORD IMPLEMENTATIONIMPLEMENTATIONImplementation logs on APIs, automation, publishing flows, data collection, and operational design.
OPEN RECORD WORKWORKNotes on work, market value, compliance, standardization, and practical AI use in organizations.
OPEN RECORD NOTENOTEPersonal site operations, observations, and small thinking logs that connect daily notes into assets.
OPEN RECORDARTICLES
Latest Articles
What Is Dots? A 24-Hour Personal Assistant That Keeps Work Moving While You Sleep
I started assigning work at night and making decisions in the morning. Using Dots showed me what it is like to work with a personal assistant and an AI team.
A Top AI Gave Its Unusable Product a Perfect 100
An experiment in letting a top AI handle market research through product creation revealed the gap between a perfect self-audit and a product buyers could not use.
My Personal Site Ranked First for My Name: What I Learned Building a Portfolio with AI
A record of several months of using AI conversations as article material, implementing them with Codex, and growing a personal portfolio after my profile appeared first in a search for my name.
When AI Stops, My Personal Publishing Stops Too: Lessons from Relying on a Single AI
I also have Claude Code at home, but moving the setup and working context built up in Codex takes preparation. A service outage halted article production while I waited for recovery, revealing my dependence on one AI.
The Shift to Index-Based Memory in the AI Era
Instead of trying to remember everything, keep an index that leads back to original information and use AI as a guide. A practical design for external memory, retrieval, and decision-making.
Living Freely: Choosing to Enjoy Time Alone
Choosing what I want to do over invitations. A personal note on distinguishing solitude from being alone and enjoying my own time.
If You Get Bored Easily, Capture Value Before Your Interest Fades
Turn short bursts of intense focus into lasting value. A project design for people who get bored easily: ship small, preserve reusable assets, and make it easy to pause or resume.
Building a Shopify Marketing Dashboard: Sales, Subscription LTV, Retention, and Churn in One View
An implementation record of a local dashboard that joins Shopify orders and customers, a product master, and Huckleberry subscription orders and contracts to track sales, gross profit, F2, subscription LTV, retention, churn, and data quality.
Two-Day Site Renewal: Turning Personal Notes into an Integrated Knowledge Hub
A two-day redesign that connected articles, tools, implementation case studies, and a profile into an operating system for knowledge integration and practice.
Before You Believe an AI Business Idea, Make It Research the Competition
A practical framework for testing AI-generated business ideas against real competitors, substitutes, paying customers, data access, operating costs, and small falsifiable experiments.
AI Outcomes Aren't Determined by Model Performance Alone: A Five-Factor Framework
A conceptual model for AI outcomes as the product of five factors: model capability, unique context, question quality, review skill, and learning speed. Use it to find the bottleneck in your AI workflow.
Using Generative AI Is Like Training a New Hire: Teach Judgment, Not Just Tasks
Treat generative AI as a capable new hire who does not know your organization. Externalize your decision criteria so you can move from detailed task instructions to delegating outcomes.
Amazon Ads Keyword Analysis Dashboard: From Wins and Losses to the Next Test
An implementation case study of a local dashboard that loads weekly ad data, separates messaging angles, keywords, and product targets, tracks ten metrics, and suggests what to test next.
When AI Lets You Do Four People's Work, It Becomes Your Official Job
Why AI efficiency does not always reduce work. Based on e-commerce operations, this article explains how saved time can expand an individual's scope, hidden responsibilities, and maintenance burden.
Why I Built a Web Service in Four Days: AI Reduced Cross-Functional Coordination Costs
A reflection on building a price-comparison web service in about four working days. The main time savings came not just from code generation, but from reducing handoffs and coordination between roles.
Your Growth Can Accelerate After 40: Use AI to Shift from Quantity to Quality
How to use AI to increase the number of learning experiments, turn real work into practice, and keep expanding what you can do after 40.
I Took “Completely Useless” All the Way: A Fictional Government UX Built in One Day
A UX case study of building a fictional government agency that selects visitors as candidates and puts them through five useless tests, from concept and copy to UI, development, and launch in one day.
Choosing Japanese Crafts by Meaning: A Gift UX Built with AI in Two Days
A case study of planning, designing, illustrating, building, and publishing Wish, Made in Japan., a gift site for overseas shoppers, in two days by myself.
When You Run Multiple AIs in Parallel, Human Review Becomes the Bottleneck
Why running multiple AI agents shifts the bottleneck from execution to human review—and how to manage review queues, source-of-truth files, task states, and safe concurrency.
From a Fortune-Telling Site Idea to a Career Assessment Service: Built with AI in Two Days
A case study of Career Turning Point Journal, a free assessment built in about two days. It brings career questions and fortune-telling into one UX, from concept and diagnostic logic to launch and measurement.
How a Non-Engineer Built an MTG Price Comparison Site from Scratch with AI in Five Days
A case study of building an MTG sealed-product price comparison site in about five days with ChatGPT and Codex. It covers matching 150 products, daily API updates, price history, UX, SEO, and security.
Parallel AI Development Needs Automated Progress and Approval Management
An implementation note on building an AI control room that automatically consolidates progress, execution evidence, pending approvals, project records, and lessons from failures across multiple AI and Codex projects.