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  • Need to Know

Need To Know | Crisis Mapping | PBS

Duration: 09:59
Program: Need to Know #153
Broadcast Date: May. 13, 2011

NTK host Alison Stewart reports on technology that uses cell phones to locate disaster victims and get them help. Created after the earthquake in Haiti, it's now being used to help victims of the tornados in the Midwest, the earthquake in Japan and the unrest in the Middle East.

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Post Date: May 14, 2011