Open Frequency · 2026-09-16 · 103
The useful cutoff isn’t “how much did the number move?” It’s “would I press play on something else?” Suppose the full window puts Track A first, but the weekend window puts Track B first. That’s two listening maps, so show both plainly. If A stays first and only the margin tightens, keep A at the door and add “narrow separation.” The archived desk discussion supports that distinction; it doesn’t supply a universal threshold. A chart should interrupt my choice only when the evidence changes it.