“…The twelve articles published in this special issue, while all viewing their material through the lens of infrastructuring and collaborative design, have covered a range of substantive fields/domains, including information infrastructure development for healthcare and welfare (Grisot and Vassilakopoulou 2017;Ulriksen et al 2017;Mikaelsen et al 2018), infrastructuring for cultural commons in digital cultural heritage (Marttila and Botero 2017), formation of 'publics' around the theme of dyslexia (Menéndez-Blanco et al 2017), voting technology deployment in digital civics (Lindley et al 2017), infrastructure development for a new cross-disciplinary synthetic science field of Land System Science (Young and Lutters 2017), infrastructuring in an oil company (Parmiggiani 2017); infrastructuring in education (Bødker et al 2017), grassroots infrastructure development for wireless community network (Crabu and Magaudda 2018), and infrastructuring an open source digital currency and payment platform, Bitcoin (Kow and Lustig 2018), and last, in a somewhat different vein, discussing how to study information infrastructure as an empirical real-world phenomenon of infrastructuring (Karasti and Blomberg 2018). …”