How you can help map the world's most vulnerable places | Rebecca Firth
How you can help map the world's most vulnerable places | Rebecca Firth

Want to help map the world?

Community builder Rebecca Firth explains how the Humanitarian OpenStreetMap Team (HOT) is using open-source software powered by volunteers to put one billion people on the map in the next five years.

(This ambitious plan is a part of the Audacious Project, TED's initiative to inspire and fund global change.)