First we had ‘flash-mobbing’, now the British have invented ‘mobile nightclub’. So if you are in London, waiting at an underground station, and see a bunch of people simultaneaously start to bop and jive, you’ll know what’s happened.

“The latest craze, devised by a pair of London artists, sees people directed to busy rail stations so they can simultaneously don personal stereo headphones and begin dancing to their own soundtrack. “