Im Dienst für die Kunst für 24 Stunden auf das eigene Handy verzichten?

Installation “A day without a mobile-phone” is made up of cell phones collected from people. The phones are hanging 24 hours in a public space where they create a light and sound installation.
“A day without a mobile-phone” is made by Eve Arpo and Riin Kranna-Rõõs, the installation was first created in Tallinn in September 2007. Now the project is travelling to different cities around the world.

Via textually.org