<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Append Only</title><description>Perspectives on Data &amp; AI</description><link>https://append-only.vercel.app/</link><item><title>Data on the Inside, Data on the Outside</title><link>https://append-only.vercel.app/blog/data-on-the-inside-data-on-the-outside/</link><guid isPermaLink="true">https://append-only.vercel.app/blog/data-on-the-inside-data-on-the-outside/</guid><description>Every service keeps two kinds of data: the private state it owns, and the data it publishes for others. Most integration trouble comes from confusing them, and the boundary between them is the real object of design.</description><pubDate>Sun, 31 May 2026 00:00:00 GMT</pubDate></item><item><title>First Steps</title><link>https://append-only.vercel.app/blog/first-steps/</link><guid isPermaLink="true">https://append-only.vercel.app/blog/first-steps/</guid><description>An introduction to Append Only and the person writing it: a Data &amp; AI Architect grounding what is changing in real time in durable fundamentals.</description><pubDate>Sat, 30 May 2026 00:00:00 GMT</pubDate></item></channel></rss>