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If software can tell you are about to do something you will undo, what does it actually owe you?

Junior work produced two things at once, and only one of them ever had a price on it. That is why the other can disappear without anyone recording a cost.

People undo careful money decisions in seconds when they are down. What would a product look like if it were built around that instead of against it?

Faster information does not mainly improve a decision about money. It multiplies the number of occasions for one, and those are not the same thing.

A calm decision and a frightened one arrive at a money app as exactly the same tap, and the software has no way to know which one it is holding.

How a share price actually gets made, what an order book is really doing, and what changed when the people on both sides of it became machines.

We hear a confident answer as a claim about the world. I think it was always a claim about who pays if it is wrong — and that is the part a machine cannot make.

If AI scrambles careers rather than shortening them, the thing retirement loses is not the money. It is the date.

Lottery tickets, astrology and hot stock tips survive cheap information because they were never answering an information question.

If AI advisors start giving similar answers, does that make markets smarter or just more synchronised?

How I learn, why I write it down, and what you'll find here