Distributed, Ambient and Pervasive Interactions: Technologies and Contexts 6th International Conference, DAPI 2018, Held as Part of HCI International 2018, Las Vegas, NV, USA, July 15-20, 2018, Proceedings, Part II - Streitz, Norbert; Streitz, Norbert; Konomi, Shin'ichi; Konomi, Shin'ichi (Springer International Publishing : Imprint: Springer, 2018)