A group of companies, including Ushahidi, FrontlineSMS, CrowdFlower and Samasource, collaborated to set up a text message hotline – “Mission 4636” – supported by the U.S. Department of State. The Haitian government collaborated with radio stations to advertise the hotline, and a few days after the disaster, anyone in Port-au-Prince could send an SMS to a toll-free number, 4636, to request help. The messages were routed to relief crews at the U.S. Coast Guard and the International Red Cross on the ground.
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