Your Metric Is Not Your State

What a refractometer taught me about observability In July , I wrote about a farmer walking a vineyard row at dawn, crushing a grape onto a refractometer prism, and typing "13.5 Brix" into a chat window. The agent on the other end didn't care how the number arrived. To the Digital Scribe, I wrote, a number is just a number. In the vineyard, that's a defensible position. Fresh grape juice is…