AN UNEXPECTED form of protest has exploded across social media. Fans of Korean pop music, K-pop, have been adding their voices to the Black Lives Matter protests by “occupying” digital spaces with a flood of adorable music videos. Already, they have disrupted police surveillance , US president Donald Trump’s re-election bid and a meeting of white supremacists on Twitter.

It all started when the large and enthusiastic community of K-pop fans in the US heard that police in Dallas, Texas, were asking concerned citizens to send in videos of “illegal activity from the protests”. Sick of police targeting peaceful …