«Participants are given a kind of scarf with a mobile phone in each end and off they go to explore the neighborhood. One of the phones takes pictures every 20 secs and collects sounds, the other talks to the GPS (also in the scarf) and to the server inside the gallery space. On a radar they can see themselves pictured as dots but also the images they’re taking. The sounds and pictures collected in the streets are sampled and mapped to a 3D city map in the gallery. As users are walking they can hear some voice instructions through a pair of headphones. Those comments suggest paths to follow or turns to make, they are generated and heard in a musical fashion. The voice instructions are inspired by the old Situationist games and theory of the Dérive – now brought into the digital and mobile spheres. As the user chooses to heed or ignore these instructions, a trace of his/her path is carved out in the city […]».