Research on Daily

what I'm solving now

Thu, 01 Oct 2026 13:19:00 +0000

recently, I’ve been focused on helping small teams retain and retrieve knowledge. solopreneurs, especially those without technical backgrounds, are trying all kinds of AI agents, but the amount of time they spend on work hasn’t decreased dramatically.

first daily note

Wed, 30 Sep 2026 13:09:00 +0000

I’m trying to write build and shipping history every day.

What x402 is?

Thu, 30 Oct 2025 17:11:16 -0700

Have you heard about HTTP 402 Error?

You’ve probably seen 401 or 403 errors if you have experience building something that includes HTTP interaction. But what about 402? I’ve never seen a 402 response in production, even though I’ve been developing servers for over a decade. It means “Payment Required”—that’s where x402 gets its name.

Heading to SF

Fri, 24 Oct 2025 17:30:00 +0900

I didn’t expect my first SF visit to be this sudden. It’s a short trip, but I’m going to broaden my horizons a bit. I’ll post simple updates here about what happens each day.

Focusing

Thu, 23 Oct 2025 15:46:00 +0900

My main question for the next AI generation is: What should I do?

I’ve had this hypothesis since March 2024 — “You don’t need many people to build and run a mega-valued company.”

About

Thu, 16 Oct 2025 21:01:00 +0900

Something about myself.