London: "They make fun of my nose. They call me ugly. They say I have no friends," Keaton Jones, 11, says to the camera as tears stream down his face.

"Just out of curiosity, why do they bully?" asks the Tennessee schoolboy. "What's the point of it? Why do you find joy in taking innocent people and finding a way to be mean to them. It's not OK."

Keaton Jones as he appeared on the video. Credit:Screengrab

This was the internet story of the year - a video showing a boy's anguish garnering 20 million views and an outpouring of support from celebrities.

Katy Perry, the singer, tweeted: "This broke my heart. Please be kind to one another."