MASATAKE YAMOTO｜矢本真丈

Thoughts & Notes

Notes on building businesses and products, running a company, family, and whatever else I have been thinking about.

Written in this same month

2025
1 year ago
I Implemented RSS Feeds
I've added an RSS feed to this site. RSS Feed URL https://yamotty.me/rss The feed updates whenever...
2023
3 years ago
My Grandmother and Me
The News On the morning of September 15, 2023, my maternal grandmother passed away. I was in my...
2020
6 years ago
I Got a CEO 360° Review #1 (September 2020)
I believe CEOs face a structural problem with feedback loops: ultimate accountability for results...

Timeline

8/20Blog ／ yamotty.me

Don't Build a Business on Supply-Side Logic

/post/20260820

I hold a few personal disciplines around building businesses...

7/29Blog ／ yamotty.me

Why Couldn't the Sherpas Stop the Summit Push?

/post/20260729

At a recent all-hands, my colleague Kazu shared an analogy b...

7/13Blog ／ yamotty.me

In Praise of Yasu Mikoto

/post/20260713

About four years ago, the podcast "Donguri FM" was raving ab...

7/2Blog ／ yamotty.me

How Operating Companies Turn Into Investment Funds

/post/20260702

Because a mature business eventually converges toward the gr...

6/29Blog ／ yamotty.me

What Happens to Supermarkets When the Food Tax Is Cut

/post/20260629

The Takaichi administration's campaign pledge to cut the con...

6/27Blog ／ yamotty.me

The Middle Is Tough

/post/20260627

Every trip to the supermarket lately, I buy roughly the same...

6/22Blog ／ yamotty.me

I Really Can't Stand the Em Dash and "Honestly"

/post/20260622

The other day I was listening to "Yai-Yai Radio," and riccha...

6/16Blog ／ yamotty.me

Going All-In on the Growth Chart for My Kids

/post/20260616

I'm not a tall guy at 170cm, and when I was younger and push...

6/9Blog ／ yamotty.me

Turning Claude Code into Your Ultimate Data Analyst

/post/20260609

I wrote a post about a BI tool called Codatum a while back, ...

6/5Blog ／ yamotty.me

Getting Serious About Sleep

/post/20260605

I've been using a Xiaomi Smart Band for over three years. Mi...

6/3Blog ／ yamotty.me

The Hidden Tax of Being a Platform

/post/20260603

There's a phrase people throw around: the "Apple tax." It re...

5/30Blog ／ yamotty.me

500 kcal/day

/post/20260530

Since the start of this year, I've been aiming for an averag...

5/29Blog ／ yamotty.me

What Actually Goes Wrong If the US Leaves NATO

/post/20260529

About a year ago, a friend named Hikaru introduced me to a Y...

5/26Blog ／ yamotty.me

Between Community Ties and Isolation

/post/20260526

It's been four and a half years since I moved to Osaka — a c...

5/22Blog ／ yamotty.me

Writing That Sounds Like You

/post/20260522

Careful. Well-organized. Nothing out of place. And yet, noth...

5/18Blog ／ yamotty.me

A Typical Weekend These Days

/post/20260518

Saturday: 16,000 steps, 600 kcal burned. Sunday: 22,000 step...

5/15Blog ／ yamotty.me

Wearing Clothes That Carry Culture

/post/20260515

On Free Agenda, we often come back to the idea of "from cont...

5/11Blog ／ yamotty.me

Solo Podcasting Doesn't Last

/post/20260511

The dissolution of Off Topic is what prompted me to write th...

5/4Blog ／ yamotty.me

AI and Dividualism

/post/20260504

One morning, I was talking with our engineer @metalunk about...

4/23Blog ／ yamotty.me

What's Really Happening in Global SaaS for Supermarkets

/post/20260423

In 2024, Amazon pulled its cashierless technology from all i...

4/14Blog ／ yamotty.me

"Aesthetics" and "The Way"

/post/20260414

The advances in LLMs are gradually replacing much of knowled...

4/10Blog ／ yamotty.me

Codatum — A BI Tool That Reduces the Friction of Data Analysis

/post/20260410

I want to write about Codatum, a BI tool combined with an AI...

4/1Blog ／ yamotty.me

Instacart Two and a Half Years After IPO: A Verification

/post/20260401

In September 2023, just before Instacart's IPO, I read throu...

3/27Blog ／ yamotty.me

AI and War

/post/20260327

Claude — the AI I use every single day — had been deployed i...

3/19Blog ／ yamotty.me

Use AI to Write Better, Not Less

/post/20260319

Why AI-Generated Writing Is Boring I'm encountering more and...

3/13Blog ／ yamotty.me

Coaching Philosophy

/post/20260313

I've been finding myself thinking more and more: "what can I...

3/10Blog ／ yamotty.me

The Role of Specs in the Claude Code Era

/post/20260310

I've been doing daily development with Claude Code, and in p...

3/2Blog ／ yamotty.me

AI Agents Are Competing on "Where" They Live

/post/20260302

In February, I subscribed to Claude Code Max personally and ...

2/17Blog ／ yamotty.me

The Future Where E-Commerce Gets AI-Aggregated

/post/20260217

I've been thinking about where e-commerce is headed, and aft...

2/12Blog ／ yamotty.me

Developing Children's Physical Capacity

/post/20260212

I've been writing a lot about AI lately, but today I want to...

2/6Blog ／ yamotty.me

It's Okay to Feel Anxious

/post/20260206

Inquiries from High School Students Recently, our company's ...

2/3Blog ／ yamotty.me

Vanguard and Rearguard

/post/20260203

> "Business development (BizDev) should own the entire journ...

1/28Blog ／ yamotty.me

Building a Newsletter Feature with Cursor Subagents

/post/20260128

Cursor's Subagent feature has officially launched. I wanted ...

1/6Blog ／ yamotty.me

Compound Management — The B-Side

/post/20260106

Happy New Year. As part of 10X's New Year initiative, I publ...