walking papers lives. Round trip mapping: print out a map from OpenStreetMap, walk around annotating it with a pen, then scan the result back in (a QR code ensures the area and orientation is recognised) . Specifically targeted at eye-level stuff which can’t be collected using GPS or aerial imagery alone. When I grow up, I want to be Mike Migurski.
Recent articles
- Highlights from my appearance on the Data Renegades podcast with CL Kao and Dori Wilson - 26th November 2025
- Claude Opus 4.5, and why evaluating new LLMs is increasingly difficult - 24th November 2025
- sqlite-utils 4.0a1 has several (minor) backwards incompatible changes - 24th November 2025