Twitter

Twitter Introducing Alert System

Will allow agencies to send messages out to those who voluntarily sign up

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Twitter, which is preparing for its initial public offering, said on Wednesday it will help users receive special alerts from government agencies and aid agencies during emergencies.

Users who sign up will receive smartphone notifications via the Twitter app as well as SMS text messages—assuming they agree to handover their cell phone numbers—from any of several dozen agencies who have signed on to the program.

The U.S. Federal Emergency Management Agency, Tokyo's Disaster Prevention service and the World Health Organization are among those participating.

The alerts program starts a year after Twitter showcased its potential as a lifeline during Hurricane Sandy, when stranded residents on the eastern U.S. seaboard reported the storm's progress and sought help on the mobile network.