<?xml version="1.0" encoding="utf-8" standalone="yes"?><?xml-stylesheet type="text/xsl" href="/rss.xsl"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Markus Ostertag - Blog</title><link>https://daily-online.de/blog/</link><description>Thoughts on AWS, cloud architecture, engineering leadership, technology and everything else.</description><language>en</language><lastBuildDate>Mon, 24 Aug 2026 17:37:07 +0200</lastBuildDate><atom:link href="https://daily-online.de/blog/index.xml" rel="self" type="application/rss+xml"/><item><title>Buy vs. Build in the Age of AI</title><link>https://daily-online.de/blog/buy-vs-build-in-the-age-of-ai/</link><pubDate>Sun, 23 Aug 2026 00:00:00 +0000</pubDate><guid>https://daily-online.de/blog/buy-vs-build-in-the-age-of-ai/</guid><description>AI made building feel free, and everyone is rushing to build. But for production systems, the cost of v1 was never the problem - operating and evolving it was. Sometimes buying is still the smarter call.</description><category>just thoughts</category></item><item><title>Hello World - Back to writing (with or without AI)</title><link>https://daily-online.de/blog/hello-world/</link><pubDate>Sat, 22 Aug 2026 00:00:00 +0000</pubDate><guid>https://daily-online.de/blog/hello-world/</guid><description>After more than a decade of speaking and organizing but not writing, a LinkedIn post about AI slop reminded me that blog posts can be conversation starters too. Here's why I'm back and how I plan to write.</description><category>just thoughts</category></item></channel></rss>