Black Spot residents may, at times, be invisible, but they are no longer silent. In 2008, the notorious Nairobi slum of Kibera was wracked by post-election violence and displacement. At the time, the slum of at least 250,000 Kenyans was “a blank [black] spot on the map until November 2009, when young Kiberans created the first free and open digital map of their own community. Land ho! The excitement felt by Stevenson’s seafarers upon sighting land following a long sea voyage was replicated by a quarter-million Kibera slum dwellers, who “saw” their land depicted on a chart for the first time. Map Kibera has now grown into a complete interactive community information project (Map Kibera 2013). Military geographers at the National Geospatial-Intelligence Agency (NGA) vetted the Map Kibera data, to include spatial extents of the named neighborhoods of this extraordinary partic...