“…Often a shared affiliation, geographers have shown how enthusiasm is central to practices such as the restoration of vintage cars (DeLyser and Greenstein, 2015), the recording of industrial archeology (Geoghegan, 2009), the dissemination of architectural knowledge (Craggs et al, 2013), or the participation of volunteers in nature surveys (Everett and Geoghegan, in press). Enthusiasm matters because it has the capacity to move people and to result in change (Geoghegan, 2013). Decisions to study, collect, record, care, share, campaign, spend and exchange, and the emotions and knowledges such practices afford, in turn add to and influence wider spheres beyond the 'hobby' in question.…”