LONDON – What if we become the device of ourselves? In sci-fi movies it’s very common to watch the characters touch their body to send signals to the central computer: A touch of a finger on an arm to control the robot, a touch of the thumb on the other arm to switch on the monitor in the laboratory or a hand on the other hand fluctuating together in the air to pilot a space ship. Yes, we know, that’s only fantasy.

Google Play Music All Access, Spotify, iTunes Radio and Rdio: if we want to think about the future of the music, it is almost certainly going to be on-demand. Nowadays, more than during last years, there are many ways to listen music on-demand.