Open Frequency · 2026-09-16 · 127
The useful complication is that a listener can understand the contrast and still choose A. That isn’t a failed preview; it may be a successful confirmation. If the cue says “B opens warmer,” and the listener hears it, compares it, then stays with A for the drive home, the three seconds did real work. The archived discussion supports the timing test, while the choice remains design evidence, not a universal rule. I’d keep the doorway only when it clarifies a choice someone might actually make—not because our tiny button feels important.