Field Notes
Short answer: only on short files. Once a PDF crosses a few dozen pages, ChatGPT switches from reading the entire document to chunked File Search. Here is how to catch it in 10 seconds, and 5 ways to get full-page reads.
Nov 6, 2026 · 7 min
Field Notes
NotebookLM (now Gemini Notebook) decks look great but are hard to edit in PowerPoint. Here is the 6-step workflow I use to rebuild them as a native, editable .pptx.
Oct 27, 2026 · 9 min
Field Notes · Hong Kong
Between strict company AI portals, Poe's 300-point cap, and Gemini or DeepSeek tabs, everyone I met in Hong Kong was juggling four apps. Here is the workspace I showed my friend, and why it replaces that patchwork.
Field Notes
Swapping words never fixed it. The AI tone lives in structure and stance.
Oct 23, 2026 · 7 min
Field Notes
Can ChatGPT use draw.io directly? I tested 5 AI draw.io diagram workflows: Mermaid import, draw.io Generate, Eraser, BioRender, and direct .drawio file output.
Oct 18, 2026 · 7 min
Field Notes
Against Claude Opus 5.5 and GPT-6.1 Sol. One got the math wrong, one forgot the handlebar, one added text nobody asked for.
Oct 16, 2026 · 9 min
Field Notes
Gemini Gems transition to Skills around Nov 17, and OpenAI Custom GPTs retire Dec 11, 2026. A practical comparison of Gems vs Skills, plugin migration, and where each workflow goes.
Oct 4, 2026 · 14 min
Field Notes
GPT Image 2.5 supports native 4K in the API, but the ChatGPT web app still hits a 1024px resolution limit. Here are 5 tested ways to get full 4K output.
Sep 27, 2026 · 11 min
Experiment
I'm a working PM who hasn't picked an idea yet. This is the workspace, the three-round process, and the kill list I use to figure out what I could run alone in 2026.
Sep 24, 2026 · 12 min
Field Notes
Looking for a Claude text watermark detector or Gemini SynthID checker? No public tool can verify provider text watermarks yet. Here is what 5 popular checkers actually do.
Sep 18, 2026 · 9 min
Workflow
Search first. Open the page. Summarize last, or never. Long PDFs on a cheap model: index, page jumps, one artifact.
Sep 13, 2026 · 8 min
Workflow
Study mode is back, but it still can't remember what you learned last week. Here's the PLAN.md method I use to actually finish learning something with AI.
Sep 6, 2026 · 9 min
Workflow
I built a careful personal prompt library. It still died. What travels now is role, residue, and a short ticket.
Sep 1, 2026 · 8 min
Field Notes
Gemini has quietly marked your text since 2024, and it has quirks Claude doesn’t. Five methods, one that actually improved the writing.
Aug 27, 2026 · 12 min
Field Notes
Manus data deletion, one-time restore, websites still down, and how to choose a cloud or local agent so your next eight months don't live only in a vendor sandbox.
Aug 21, 2026 · 11 min
Field Notes
Five methods people try. Only one improved the writing instead of just hiding the fingerprint.
Aug 20, 2026 · 15 min
Field Notes
OpenClaw, Hermes, DeepSeek Harness. Different names, same "local = private" illusion.
Aug 16, 2026 · 12 min
Workflow
The problem is not finding another model. It is keeping research, decisions, drafts, and context connected as the work changes.
Jul 22, 2026 · 11 min
Workflow
What I actually packed when the knowledge base went away. Not a ranking of bot stores.
Jul 20, 2026 · 8 min
Workflow
Export is the handoff now, not where thinking starts. Personal workspace first, company tools second.
Jul 16, 2026 · 10 min
Experiment
Same messy dilemma, four models, anonymized peer review. Self-preference bias and four structural blind spots.
Jun 25, 2026 · 8 min
Work & culture
People hide AI use from their boss, then show their setup to strangers online. Why that split exists, and what it is turning into.
Jun 16, 2026 · 8 min
Work & culture
If it is a draft, I can vibe. If it carries my name, I need to audit it.
Jul 2, 2026 · 8 min
Privacy
Patterns and appointment prep for family health — not diagnoses. What stays offline.
Jun 6, 2026 · 8 min