Having a more diverse range of mappers "means we actually have richer information on those maps - not just for the women to use, but for everyone," Solis added.

Having a more diverse range of mappers "means we actually have richer information on those maps - not just for the women to use, but for everyone," Solis added.

People generate maps on mobile devices for hikes and errands, and they want maps for locations outside North America and Western Europe, too, where coverage can be spotty.

Having a more diverse range of mappers "means we actually have richer information on those maps - not just for the women to use, but for everyone," Solis added.

The Open Source Maps That Make Rescues in Nepal Possible More than 4,000 mappers came to aid the effort to map the area around Kathmandu that got hit hardest.