Notes from the work
Findings, method and arithmetic — from twenty-five years of running the business, not from the internet.
A four-part series
Both Ends of the Transaction
Twenty-five years selling to the world on one side of the transaction, twelve years driving it around on the other — and what it means for a marketer to hold both the measurement and the event the measurement was supposed to capture.
Start with part 1 →Both Ends of the Transaction
4 partsFour parts, written over two weeks. Read them in order, or jump to the one that answers a question you have now.

Part 1 of 4 · 24 July 2026
Both Ends of the Transaction
Why twenty-five years of selling and twelve years of driving is marketing analytics, not anecdote.
Read · 6 minutes →
Part 2 of 4 · 28 July 2026
From a Unix Terminal at NIH to the White House
A dining guide built in 1994, a business started because the rent was due, and the customers who found it without being asked.
Read · 7 minutes →
Part 3 of 4 · 1 August 2026
Twelve Years in the Front Seat
Ten thousand rides, the people in the back seat, and what you can only see from inside a two-sided marketplace.
Read · 9 minutes →
Part 4 of 4 · 5 August 2026
The Notebook in the Back Seat
Two instruments measured the same rides. Then the dead ends, and what I do with all of it.
Read · 7 minutes →
