<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Thomas Nicholson · Field Notes</title><description>Notes on technology, building, business, endurance, and the things worth figuring out.</description><link>https://thomasnicholson.com/</link><item><title>Building useful agentic systems</title><link>https://thomasnicholson.com/writing/building-useful-agentic-systems/</link><guid isPermaLink="true">https://thomasnicholson.com/writing/building-useful-agentic-systems/</guid><description>What actually matters when you move an agent from a demo into something people rely on every day.</description><pubDate>Tue, 10 Nov 2026 00:00:00 GMT</pubDate><category>Technology</category></item><item><title>The economics of building a one-person business</title><link>https://thomasnicholson.com/writing/economics-of-a-one-person-business/</link><guid isPermaLink="true">https://thomasnicholson.com/writing/economics-of-a-one-person-business/</guid><description>Margins, time, and the surprisingly long list of things you stop doing when it&apos;s just you.</description><pubDate>Wed, 04 Nov 2026 00:00:00 GMT</pubDate><category>Business</category></item><item><title>Lessons from spending time on the trail</title><link>https://thomasnicholson.com/writing/lessons-from-the-trail/</link><guid isPermaLink="true">https://thomasnicholson.com/writing/lessons-from-the-trail/</guid><description>Long days on foot have a way of clarifying which problems are real.</description><pubDate>Sun, 01 Nov 2026 00:00:00 GMT</pubDate><category>Outdoors</category></item></channel></rss>