Haiti Open Street Map by Crisis Commons

A week ago the maps of the entire country of Haiti had little more than a few highways and roads. The capital city of Port-au-Prince was a shaded outline that suggested a city. The problem was that Haiti, the poorest country in the western hemisphere, had been ignored by traditional commercial data providers. No one could afford a GPS, so why build digital maps of roads or buildings?

Read more here:  http://haiti.casefoundation.org/Haiti-Open-Street-Map