The goal of this exchange was : proposing to the youth a warning and an accompaniment with their use of the screens and social network. We were hoping that the youth will understood the challenges and also permit them to 'be without phone" during the stay. The main goals were : - open the dialogue with the youth - exchange about their journey with screens, share their life - Be able to built positiv and negativ stuff of this using - open communication and mind of each other over the phenomen And the most important of all : coming back to the essential : communicate in the real life and no more in the virtual The young people were able to share activities in nature, relearn how to participate in "down to earth" activities without technological tools, have real human contact.