Did Memory Actually Change the Decision?
A practical way to distinguish memory access, behavioral influence, and user value.
Notes from building
Writing
Personal AI, from the decisions inside a system to the person living with its results.
Start here
What does it mean
to use a memory?
06 articles
Technical Notes
Evidence, evaluation, and the systems behind personal AI.
Did Memory Actually Change the Decision?
A practical way to distinguish memory access, behavioral influence, and user value.
A Citation Is Not Enough: Who Does This Fact Belong To?
Source support, speaker identity, and autobiographical truth are different checks.
When an Agent Does Nothing, What Actually Happened?
Evaluating restraint requires an opportunity to act—and an honest account of failures.
Agent Capabilities Don’t Have to Be Modules
Fix the boundaries that must hold. Let task structure earn its complexity.
Relevant Doesn’t Mean Usable: Context for Personal AI
Context selection has to consider time, uncertainty, purpose, and the person receiving the result.
A User Correction Is Not a Global Preference
Feedback needs an object, a scope, and a way to check whether the next behavior improved.
06 articles
Personal AI
Memory, expression, and the boundaries of understanding a person.
After Muse and Today, What Is Still Missing?
As personal agents become better at doing things, deciding what is worth doing becomes more important.
Don’t Make Me Teach My AI Twice
The value of memory appears in the next result, when an old correction saves new work.
Who Keeps the Promise an AI Makes?
A polished draft can quietly commit its sender to something they never decided.
The Refusal My AI Edited Away
Good rewriting preserves what a sentence does, as well as what it says.
Not Every Day Is an Epiphany
An AI-generated interpretation of a life should not quietly become evidence about that life.
Personal AI Needs a Right to Change Your Mind
Long-term understanding should make it easier to revise an arrangement, not harder to escape an old profile.
02 articles
Building Products
The work around a useful product: communication, adoption, and the business.
Is There a Business Beyond Productivity?
Emotional value can be real. A product still has to earn a second use and pay for its own delivery.
My AI and I Lost the Reader
Shared context can make two collaborators forget the person they are writing for.