Field Notes

33 notes on this leg

Field Notes are reflections on IT leadership, AI operations, governance, security, and systems thinking — especially where technology meets human judgment.

Field Notes Aug 26, 2026 6 min read

AI Labs Are Slowing Down, Attackers Aren’t: This Week in AI and Cybersecurity

Two stories broke this week that don't look related on the surface but are actually the same story from opposite…
AI Labs Are Slowing Down, Attackers Aren’t: This Week in AI and Cybersecurity
Field Notes Aug 24, 2026 4 min read

What Is a Frontier Model? (Explained in Plain English)

If you've seen the phrase 'frontier model' in an AI headline and quietly wondered whether it meant something specific or…
What Is a Frontier Model? (Explained in Plain English)
Field Notes Aug 24, 2026 4 min read

What Is an Agentic AI Harness? (Explained in Plain English)

If you've read anything about 'AI agents' lately — agents that book your flights, write your code, or manage your…
What Is an Agentic AI Harness? (Explained in Plain English)
Field Notes Aug 18, 2026 5 min read

The Actually-Free AI Courses Worth Your Time (August 2026 Roundup)

Every big AI company now has a “free AI course” landing page. Some of them are actually free. Some of…
The Actually-Free AI Courses Worth Your Time (August 2026 Roundup)
Field Notes Aug 14, 2026 4 min read

Agent Skills as a Portable Unit: What Obsidian’s Multi-Agent Skill Pack Actually Signals

I was browsing GitHub late last week and stumbled on something that made me stop scrolling: a repo from Kepano…
Agent Skills as a Portable Unit: What Obsidian’s Multi-Agent Skill Pack Actually Signals
Field Notes Jul 30, 2026 4 min read

Last Week I Asked Who Your Computer Trusts. This Week, Someone Tried to Answer.

Last week I watched a demo of ChatGPT’s voice mode renaming files on a desktop computer from across the room,…
Last Week I Asked Who Your Computer Trusts. This Week, Someone Tried to Answer.
Field Notes Jul 26, 2026 6 min read

Your Phone Just Became a Remote Control for Everything You Own

I watched a walkthrough this week of ChatGPT’s new voice mode — Brock Mesarich demoing it live — and one…
Your Phone Just Became a Remote Control for Everything You Own
Field Notes Jul 26, 2026 8 min read

An OpenAI Engineer Just Described My Job — And Gave It a Better Name

I watched a podcast interview this week — Peter Yang talking with Jason Liu, a developer experience engineer on OpenAI’s…
An OpenAI Engineer Just Described My Job — And Gave It a Better Name
Field Notes Jun 14, 2026 12 min read

I Used AI as My Research Layer Traveling Southeast Asia — Here’s What It Got Right and Wrong

I Used AI as My Research Layer Traveling Southeast Asia — Here’s What It Got Right and Wrong I landed…
Field Notes Jun 14, 2026 8 min read

Disclosure Day Ending Explained: What Does “Listen” Actually Mean?

I watched Disclosure Day in a movie theater in Jakarta on a Friday night. The audience was mostly local —…
Disclosure Day Ending Explained: What Does “Listen” Actually Mean?