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Introduction https://www.youtube.com/watch?v=1m5dsPZiGbM In shopping malls, showrooms, or on the street, those bright LED screens always attract attention. They are not just tools for playing advertisements,

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Introduction Do you sometimes stand in front of a dazzling array of LED screens and wonder, “Which one should I choose?” Don’t overthink it. The

Introduction https://youtu.be/7AF2F4fvCXA LED screens are ubiquitous at bus stops, subway entrances, and train stations. They not only display the arrival time of the next train,

Introduction https://youtu.be/9MPZOLISurM Have you ever noticed why some advertisements captivate viewers for a few more seconds, while others are quickly ignored? Often, this is thanks