Why Experiment Tracking? The Spreadsheet of Doom

Day 31 of 100 Days of MLOps, and Module 4 begins. Real ML means running dozens of experiments — and tracking them in your head, in terminal prints, or a hand-kept spreadsheet falls apart fast. Feel the pain first: run a batch of experiments by hand, watch the results scroll away, and see why a proper tracking tool is the only thing that scales. Runs 100% locally on any OS.