Domi Jin · Notes from Research and Practice

Table of Contents

All twenty-eight essays, field notes and system specifications are published in full on this site, organised across four thematic chapters. Original publication venues are recorded as footnotes.

Chapter I · Stellar Dynamics and the Practice of Modelling

Computational astrophysics, globular cluster relaxation (t / τ_rh), binary black hole populations and LISA gravitational-wave standard sirens.

  1. Prospective Detection of Binary Black Holes in the Local Universe with Gravitational Waves July 2018

    ## Abstract

    Footnote: First published in University of Texas at Arlington Doctoral Dissertation (July 2018).

Chapter II · Decisions Under Constraints

Crowdsourced traffic inference, marketplace pricing, multi-agent advertising control planes (<50 ms p99) and interface ergonomics.

  1. Agent-Based Advertising System & Observations in Performance Advertising January 2025

    ## Part I: Unpacking AppLovin's Hypergrowth

    Footnote: First published in GitHub Specification (observations_in_advertising) (January 2025).
  2. From Traffic Lights to Life’s Direction October 2023

    From the bustling streets cross China, I gazed at my smartphone, navigating the intricate lanes using the Chinese navigation app: Amap. What caught my attention wasn’t the famil...

    Footnote: First published in Medium (October 2023).
  3. Is Dark Mode Doing More Harm Than Good? A Deeper Look at Our Choices November 2024

    I recently saw a post from a friend saying that dark mode was causing significant eye strain. He had to lean in closer to see clearly, which eventually led to neck issues. This ...

    Footnote: First published in Medium (November 2024).
  4. Rethinking Digital Advertising: From Guesswork to User Engagement October 2024

    Traditional digital advertising often relies on guessing user needs based on incomplete data. Instead, we should focus on understanding users through interactive engagement, cre...

    Footnote: First published in Medium (October 2024).
  5. The Future of Advertising — Moving Beyond Relevance to Demand Profiling and Dynamic Personalization October 2024

    ### **The Future of Advertising — Moving Beyond Relevance to Demand Profiling and Dynamic Personalization**

    Footnote: First published in Medium (October 2024).
  6. Trace of AppLovin’s 7x Annual Hypergrowth November 2024

    ### Part I: Unpacking AppLovin’s Hypergrowth

    Footnote: First published in Medium (November 2024).
  7. Why is some professional handwriting illegible? October 2023

    I saw an interesting picture about using GPT to interpret doctor’s note.

    Footnote: First published in Medium (October 2023).

Chapter III · Human Agency, Older People’s Independence and Lifelong Play

Field interviews with older adults in Palo Alto (Kin Domi), autonomous driving ergonomics, Reclaiming Play, Open Learning Lab and household edge AI.

  1. Life Hack: iMessage as a Low-Bandwidth Router to the Internet April 2026

    ## Overview

    Footnote: First published in Domi’s Universe (domij.info/beta) (April 2026).
  2. baby-AI: Receipt-Verified Edge Household Agent Architecture May 2026

    > An open-specs, bounty-style project for an edge-deployed, verbally-trainable household agent. Five subsystems, one charter, every claim backed by a signed receipt.

    Footnote: First published in GitHub Specification (baby-AI) (May 2026).
  3. Open Learning Lab: Evidence-Driven Personalized Learning Policies August 2026

    **Learn something real. Measure whether it lasts. Open the process so others can challenge and improve it.**

    Footnote: First published in GitHub Specification (open-learning-lab) (August 2026).
  4. Another team building Skynet, in the name of Jarvis — AMA November 2024

    ### Building Jarvis — AMA

    Footnote: First published in Medium (November 2024).
  5. Building the context for reading expectations November 2024

    **March 31, 2023:** [A short story from Mu Yao](https://domijin.medium.com/a-short-story-from-mu-yao-4c564fa51d21) — this is a medium post about a short story by the author Mu Y...

    Footnote: First published in Substack (Domi’s Mind Waves) (November 2024).
  6. 🌱 Reclaiming Play as a Life Skill March 2025

    ### 🎮 What Games Really Teach Us — Especially As We Age

    Footnote: First published in Substack (Domi’s Mind Waves) (March 2025).
  7. Reflections from coach-seeking impulse December 2024

    Here are the lessons I learned.

    Footnote: First published in Substack (Domi’s Mind Waves) (December 2024).
  8. Starting a New Venture December 2024

    Reflecting on this journey into entrepreneurship, I am reminded of how small sparks of inspiration can ignite significant transformations. Earlier this year, a shared curiosity ...

    Footnote: First published in Substack (Domi’s Mind Waves) (December 2024).
  9. Tesla, Seniors Love Your Self-Driving—Now Let’s Make It Safer for Them February 2025

    Many seniors I serve through **Kin Domi** are raving about how Tesla’s self-driving has given them newfound independence. They’re now confident driving on highways, taking long ...

    Footnote: First published in Substack (Domi’s Mind Waves) (February 2025).

Chapter IV · Institutions, Incentives and Possible Futures

Shared values as Greatest Common Divisor (GCD), complementary skills as Least Common Multiple (LCM), intentional calendar rhythms and civic renovation.

  1. All About ChatGPT: Flat Correlation, Unit Economics & Alignment February 2023

    > The future is here, but it’s not evenly distributed.

    Footnote: First published in Domi’s Universe (domij.info) (February 2023).
  2. Free Market in a Possibility Universe & The Collaborative Manifesto September 2019

    > Declare: While paving my way towards my neverland, I don't mind being alone. I won't return to advertise and persuade either. Because the trace I left is not meant to guide, i...

    Footnote: First published in Domi’s Universe (domij.info) (September 2019).
  3. LibertyEarth & The Future Project: Collaborative Society & Living Archive 2020–2025

    ### __The Vision: Technically Empower People to Collaborate Better__

    Footnote: First published in GitHub Repository (LibertyEarth) (2020–2025).
  4. Boeing’s Future at Stake: The Growing Challenge from SpaceX May 2024

    The aviation industry has long been dominated by giants like Boeing, but recent developments signal a potential shift in power. With SpaceX aggressively pushing the boundaries o...

    Footnote: First published in Medium (May 2024).
  5. Observation: the dilemma and cultural difference behind the eVTOL field June 2024

    This is a reply to Mark Moore’s post [here](https://www.linkedin.com/posts/mark-moore-99582787_ehang-certification-my-sources-in-china-activity-7117321587804045312-NIZF?utm_sour...

    Footnote: First published in Medium (June 2024).
  6. Why TikTok is so popular February 2020

    ## Why is video taking over text? A few thoughts

    Footnote: First published in Medium (February 2020).
  7. A Colorful Year Ahead January 2025

    ## Milestones since [Hello World](https://substack.com/@domijin/note/c-79120023)

    Footnote: First published in Substack (Domi’s Mind Waves) (January 2025).
  8. Hello World! November 2024

    ## I’m starting my substack channel!

    Footnote: First published in Substack (Domi’s Mind Waves) (November 2024).
  9. Momentum, Momentum, Momentum! December 2024

    **Overview** This week marked a significant milestone in both personal and professional growth. From incorporating [Kin Domi, Inc](https://kindomi.net/). to deepening user resea...

    Footnote: First published in Substack (Domi’s Mind Waves) (December 2024).
  10. Overachiever’s Responsibility: Reflection on Leadership, Alignment, and Sustainable Growth February 2025

    I’ve always been fascinated by how top performers seem to have more than 24 hours in a day. They either pour more energy into a single focus or juggle multiple threads that surp...

    Footnote: First published in Substack (Domi’s Mind Waves) (February 2025).
  11. Serendipity: where it sparks December 2024

    ## **A Childhood Rooted in Stories and Tradition**

    Footnote: First published in Substack (Domi’s Mind Waves) (December 2024).