Coldplay have released the fourth single from their latest album 'Ghost Stories'.
'Ink' comes with a special interactive video that allows the viewer - i.e. you - to plot your own real-time course through its storyline.
There are over 300 possible eventualities of the animated video, with a storyline about "a lost traveller who journeys to the edges of the world in search of his lost love".
You can have a go for yourself -