Welcome to the virtual world

At the Zabludowicz Collection in London last autumn, the Canadian artist Jon Rafman created Sculpture Garden (Hedge Maze) (2015), an artificial labyrinth dotted with strange primal sculptures. At its centre was the Oculus Rift, the headset attracting giddy anticipation ahead of it hitting the general market later this year. It is easy to understand why. Putting it on, you were swept upwards into a the canopy of trees surrounding an immersive, imaginary sculpture park; as you glided upwards, you