How your iPhone could save your life

Could an app mean the difference between life and death? Perhaps.

Many people in the path of Hurricanes Irma and Harvey turned to television and internet reports, but, as Irma changed direction and snaked its way up the Florida coastline this weekend, others may have downloaded storm-tracking apps for help. There’s no single official government hurricane app, but several products on the market use data from the federal National Hurricane Center and the National Oceanic and Atmospheric Administration. Apps offer one advantage over tracking the storm online or via television: If the power goes out, they’ll continue to give updates as long as a user’s smartphone battery has juice.

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