Most people consume political debate as if it were weather — something that happens to them. But horizon scanning, defined by researchers as the systematic identification, analysis, and monitoring of emerging trends and risks, is a discipline that turns passive observers into active readers of the future. Political scientist Joseph Overton built his entire framework on a single premise: the window of acceptable ideas is not fixed. It moves. And the people who understand how it moves are the ones who shape what comes next. Last lecture highlighted that moving the Overton Window is a neutral tool, emphasizing the importance of understanding mechanisms over ethical implications. That foundation matters here, because the Window Scan method is a tool for reading those mechanisms in real time. The first step is defining your focus — identifying the specific policy area or debate you're examining. Specificity is crucial for effective horizon scanning. From there, you establish a temporal horizon. Researchers recommend short to medium term — one to five years — for identifying both immediate and upcoming shifts. Then you apply a structured lens. PESTLE — Political, Economic, Social, Technological, Legal, Environmental — gives you six distinct axes for evaluating which external forces are pushing the window. Fabio, this isn't abstract. Run any current debate through those six categories and you'll immediately see which pressures are building and which are fading. Once you've mapped the forces, you need to identify what's actually moving. Effective horizon scanning targets five to ten significant phenomena within your defined scope — not a hundred vague signals, but a focused set of high-relevance shifts. Then comes the prioritization matrix: plot each phenomenon against two axes — impact and likelihood. The quadrant you care about is high impact, high likelihood. That's where the window is under the most pressure. A scoring system assigns numerical values to each phenomenon, letting you rank which ideas need immediate attention and which are still in the unthinkable zone. Engaging diverse stakeholders is essential. Experts with varied perspectives ensure horizon scanning remains robust and avoids echo chambers. This is where the Overton Bubble problem from lecture six becomes a practical risk: if your scanning group only inhabits one mini-window, your map will be wrong. Divergent views aren't noise. They're signal. Here's what makes this method durable rather than just clever. Horizon scanning identifies early phenomena that may become significant with changing perspectives, offering proactive insights. That's the Overton Window in operational form — an idea sits outside the frame, gets tracked, and then a crisis or cultural shift suddenly makes it viable. The infrastructure built during the scanning process gives you lead time. You're not reacting. You're anticipating. Fabio, this is the synthesis the entire course has been building toward. The Overton Window emerged in the mid-1990s as a brochure. It became a framework for understanding how think tanks, media, crises, and digital fragmentation all operate on the same underlying mechanism — shifting what a society considers thinkable. The Window Scan method is how you stop being a subject of that process and become a participant in it. Recognize the frame, map the forces, track the signals — and you move from watching the window shift to understanding exactly who is moving it, and why.