[1] The term first appeared in 2013, in a Fast Company article featuring Groundswell co-founder, Will Byrne.
The model has expanded to increasingly include hybrid organizations.
This network includes organizations such as Freelancers Union, First Book, EveryoneOn, and Common Market.
[4] In December 2013, with the support of the Ford Foundation, the Rita Allen Foundation, and the Kendeda Fund, Groundswell hosted a national summit to discuss strategies for social change.
[5] Notable attendees included Sara Horowitz of the Freelancers Union, Andrew Kassoy of B Lab, and Lewis of the U.S. Green Building Council.