Matt Johnson — Field CTO at MongoDB, working on data access for AI and data sovereignty. Also metahertz: code, videos and writing on infrastructure, security and home automation.https://metahertz.dev/https://metahertz.dev/blog/hello-world/https://metahertz.dev/blog/hello-world/A new home for metahertz — how this site is built and how articles work.Wed, 22 Jul 2026 00:00:00 GMT