Gangnam Style, which has just surpassed the 1.3 billion views milestone on YouTube has an equally weird follower: the Harlem Shake. With over 17 million views in just two weeks, it’s quickly shaping up as a worthy successor – so as it continues to trend, Havas Media’s Matt Breen looks at the power of YouTube and the increasing impact of video consumerism.

Matthew Breen, head of video / vision account manager at MPG Media Contacts, on the latest X Factor series…