The Barmettler family from Lucerne: father Markus (43 years), mother Jasmin (41 years), daughter Jamelia (12 years) and the younger sister. Photos kostas maros, on 24.7.19 in LucerneMedia7 minMrs Willemse, how much smartphone is too much?In order for children to learn how to use their smartphones consciously, parents need to reflect on their own media use and accompany their children. How does this work?