July 24, 2026 · 13 min read
A Tomato Is a Map of Power
A bag of Rimi tomatoes led from an Estonian supermarket to Western Sahara, desert groundwater, European courts, refugee camps, and a specific test of what Green Filter should reveal.
HAAM Notes / Topic
Data-Driven Design
3 notes follow this idea through the HAAM archive.
July 8, 2026 · 18 min read
How Companies Actually Do Data-Driven Design
What Netflix thumbnails, Duolingo streaks, Booking.com experiments, Spotify learning rates, Uber metrics, Airbnb guardrails, and Google's 41 shades of blue reveal about designing with data.
March 27, 2026 · 2 min read
Designing Sustainability Tools for Busy People
Why climate-aware users still struggle to act, and how better interfaces can turn complex environmental data into practical everyday decisions.