As part of the Structured Data on Commons program, Jonathan Morgan and Sandra Fauconnier were able to interview a number of GLAM project participants or include them in a survey, to examine how Commons is used by that community and how we could support them. In the research, they highlight a number of both social and technological challenges faced by that group, alongside the needs of the Commons community. 

I highly recommend either reading the report, or watching the the video documented at: https://blog.wikimedia.org/2018/01/29/glam-multimedia-metadata-commons/ 

Cheers, 

Alex Stinson
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