What does your trading bot think happened?
Trading software usually knows only what it meant to do. I'm building a small engine that keeps a receipt for every order.
All writing
Archive
Personal notes, product lessons, technical work, and the overlap between them.
Keeping Track of What Terms Change
Why I started tos.watch, how it works, and how to chip in from $1 if you want it to keep running.
From Typist to Director
My coding agents buried a marketing site under 3,300 lines of tests. What I cut, the two gaps that mattered, and the one rule I use now.
Retrieval overlap went up 13 points by promoting sentences to paragraphs
Retrieve at sentence level, hand back the paragraph each hit came from. On 15 legal contracts, retrieval overlap went from 37.3% to 50.4%. Corrected numbers included.
Your RAG Pipeline Can't Answer "Where Did That Come From?"
Chunking throws away the link between a chunk and its source. Here's what happens when someone asks for it back.
The Knowledge Triangle Isn't a Triangle Anymore
LLMs stretched one side of every organization's knowledge triangle into a ray. The other two are still line segments.
My Favorite Feature as a TPM
I spent years as a TPM on a market replay feature inside a platform rewrite. This is what I'd build if I could do it without the committee.
Sometimes the Process Is the Outcome
A product manager's lesson about outcomes and decisions turns out to apply just as well to parenting: sometimes the process is the outcome.
Lean Personal Knowledge Management
A note system built around what you can keep using when you are busy, interrupted, or unsure the work will matter later.
Your Notes Are a Form of Career Continuity
A small personal work record can keep an underpaid role or a year without employment income from disappearing.
The Product Catches Up to the Promise
Your first customer needs the outcome before they need the product.