The same day a 7.8 magnitude earthquake hit Nepal, digital volunteers from all over the world began to map the affected areas. Based on data and satellite imagery the created maps help first responders, before they even hit the ground, on search, rescue and relief operations.
Jen Ziemke can't feed the needy in Libya. But, like many academics, the political scientist in Cleveland can pitch in on relief efforts with a different skill: map making. And as agencies look to exploit new-media tools during crises, they're turning to volunteers like her for help.