Ireland and the world’s most viral web videos of 2013

'The Fox’ by Ylvis — a comedy duo from Bergen known to their mum as Vegard and Bård Ylvisåker — only launched the music video on YouTube in September. As of yesterday it had been viewed 276,313,218 times.
Marrying glossy MTV-style music video cliches with freaky woodland dancing by people dressed as animals, the appeal of the clip has stretched far beyond Norway.