This chapter has a special focus on the use of smartphones among students in two Swedish study programs in upper secondary school; one traditionally male education, the Building and construction program; and one traditionally female education, the Hairdresser program. The results derive from a larger video-ethnographic project with the aim to explore the role of smartphone usage in upper secondary classrooms in Sweden. In this project we have used new and innovative methods regarding how students’ digital activities in the classroom could be cap- tured and studied. While the smartphones were used individually to a notably higher extent by the students in the hairdressing classroom, there were significantly more collective features in the smartphone usage of the students in the building and construction class. In the latter, the students showed up what they did on their smartphones for several of their classmates at the same time, we also witnessed situations where the students used each other’s smartphones; interactional traits that we did not witness at all in the studied hairdressing classes. In this chapter, we study what these collective and individual features of mobile usage look like, and what their interactional purposes are. More precisely, the purpose is to study the embodied interactional processes the students engage in when using their smartphones and how these processes relate to their shaping of a professional identity.