that many could become one.… The year was 2026. The Soccer World Cup had expanded once again, bringing more nations, more matches, and more spectators than any previous tournament. Researchers estimated that billions of viewers would watch at least part of the competition through conventional broadcasts, streaming platforms, immersive virtual reality feeds, and AI-generated multilingual commentary systems. Entire cities had become temporary laboratories for crowd management, behavioral science, and digital communication. In the host city’s central plaza, a journalist interviewed a supporter wrapped in a national flag. The supporter smiled and spoke carefully. “We cheer for our national team partly because of our passionate love for soccer, and partly because we feel pride in seeing our national flag displayed so prominently. Yet, the greatest motivation is that we—each of us as individuals—can transform into a single, unified...