<ul data-eligibleForWebStory="true"><li>Product Managers are trained to pay attention to bright and hot signals that flash and sizzle, but important signals can also come from farther out in twilight, fainter and cooler, yet ripe with insights.</li><li>Twilight is described as the threshold between day and night where visibility fades, and perception changes, with civil, nautical, and astronomical twilight representing different levels of clarity and insight accessibility.</li><li>In civil twilight, signals are well-lit and easy to parse like KPIs and user feedback, while nautical twilight brings blurrier shapes necessitating tools for comparison and triangulation of signals.</li><li>Astronomical twilight represents the edge of darkness where early indicators or 'dark signals' emerge, requiring a keen eye to identify subtle shifts indicating potential product changes.</li></ul>

Light, Heat, and the Signals from Distant Objects

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