From the 1970s, international networks spanning New Delhi to the Cree tribes of Canada collaborated in experimenting with many-to-many mapping. Their work generated techniques for the participatory management of land use that preceded the creation of the many-to-many map online and, in many ways, surpassed the radicality of its politics.
A History of the Participatory Map
Jo Guldi teaches history at Southern Methodist University in Dallas, Texas. She is the author of Roads to Power: Britain Invents the Infrastructure State (2012) and, with David Armitage, of The History Manifesto (2014). She is currently working on a history of land reform movements since 1820.