The margin notes

Ideas — observations, free for the taking

Observations and startup ideas, written down before they're ready. Free for the taking — execution is the hard part anyway.

No. 04May 2026

A decision log as a product, not a habit

Most decision-journal tools fail because they add friction at the moment of deciding. What if the log wrote itself from your calendar and messages, and just asked you to confirm the reasoning after?

productdecisions

No. 03March 2026

Reference checks as a marketplace

Reference calls are broken — candidates pick references who love them. A blind, structured, opt-in reference network would produce far more honest signal for both sides.

hiring

No. 02February 2026

Book notes that compound into an assistant

Every book I read produces notes that then sit in a folder forever. What if the notes were structured enough from day one to become a queryable assistant, not just an archive?

ailearning

No. 01October 2025

Hiring “trial sprints” as a category

Paid two-day trial projects work far better than interviews for evaluating early hires, but there's no good tooling for running them at scale. Feels underbuilt.

hiring