MSM: During a World Cup football match, a QR code appeared on the stadium screen. After fans scanned it, thousands of phone f
During a World Cup football match, a QR code appeared on the stadium screen. After fans scanned it, thousands of phone flashlights inside the stadium were synchronized to form a coordinated light display across the stands.
MSM: During a World Cup football match, a QR code appeared on the stadium screen. After fans scanned it, thousands of phone f
During a World Cup football match, a QR code appeared on the stadium screen. After fans scanned it, thousands of phone flashlights inside the stadium were synchronized to form a coordinated light display across the stands.
During a World Cup football match, a QR code appeared on the stadium screen. After fans scanned it, thousands of phone flashlights inside the stadium were synchronized to form a coordinated light display across the stands.
