This article focuses on youth digital practices, related to evolving language, culture, and emotion handling. Three research questions are addressed: (1) Which current trends of digital practices at school do young people evolve in?; (2) What do children's and teenagers' digital writing scholarly productions consist of?; (3) How do they represent their digital practices related to culture and emotions? Comparative results from recent international projects are presented, with authentic textual data and surveys concerning daily use of digital devices. A discussion section suggests possible future paths.