abstract:An adda () is a form of intellectual exchange among members, who were originally of the same socio-economic strata, but the process has democratized in modern times.The Chattering Masses New York Times, May 15, 2005.
When the Adigrat Diocese Development Action (ADDA) project, with support from the Catholic Church, started working in the Irob area in the mid-1970s, it stimulated community action to make larger dams more quickly in order to create more land that could be used in ways determined by the community.