A personal corner of the internet

A curious mind.
An open notebook.

I build things, follow ideas, and write about what I find along the way. Welcome to hrih.si.

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Technology, AI, and the details of making things.

Latest14 min read

Who teaches the reviewer?

Code review was never mostly about catching bugs. When agents do the reviewing, the knowledge it used to pass between people has to be built in on purpose. What I built to try that, what about 70 agent reviews showed, and what a second model caught that 30 reviews missed.

AI agentsCode reviewSoftware careers
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The internet is in its guano years

Reddit is switching off RSS, X charges by the post, and a bankrupt airline's Teams chats are up for sale at $10 million. What the 1850s guano rush, the latest numbers and today's trajectory say about where data, and the value of your work, goes next.

17 min read
Article

Who holds the off switch?

The same coffee, bought in five kinds of society in 2035, and who gets to know about it. What the 2026 numbers say about privacy and control, and my guesses for where the privacy business goes next.

22 min read
Article

The compiler was supposed to end programming too

In 1954, IBM said FORTRAN would virtually eliminate coding and debugging. What the numbers say about AI and software work in 2026, and my guess at a developer's Tuesday in 2031.

15 min read
Article

Scoring 131,072 universes

How Rule Safari finds the interesting Life-like rules without being told which ones are famous, and the twelve-generation trick that made it work.

7 min read