Blog

Notes on building, shipping, and measuring the systems I run.

Growth

Finding a 39% drop-off between date and time

How funnel events on every step and session replay showed where customers stalled in a booking flow — and why I looked before touching the code.

September 15, 2026

Engineering

Deposits from 20+ countries: payments for inbound travelers

A booking flow where customers abroad pay a 30% deposit up front and the balance is collected after the shoot — and what it has processed so far.

September 15, 2026

Growth

Share count, not follower count

A 13-month analysis of my own Instagram account found that shares, not followers, were the signal worth watching.

September 15, 2026

AI & automation

Ten videos every morning, no human input

A pipeline that selects footage, writes captions, and renders ten short-form videos every morning without anyone pressing a button.

September 15, 2026

Building

A free tool every Monday

Iron & Code: small, free calculators for lifters, shipped on a weekly cadence with a short video for each.

September 15, 2026

AI & automation

Mercari PM agent design: automating the PM workflow with Claude Code skills and MCP

An agent built on Claude Code and the Model Context Protocol that runs the chain from problem discovery through PRD drafting to UI prototyping. Published on Mercari Engineering.

April 27, 2026

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1,200+ clients handled
Published at Mercari
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