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A hiker stranded in the Andes thought he would die, but then his cellular rang. It was a telemarketer calling to get him to top up his pre-paid plan. The telemarketer got emergency services on the line and called the hiker at regular intervals to make sure he didn't lose consciousness from hypothermia. When the hiker's battery died, he put it in the snow to cool it off and it came back to life. The article doesn't say why he didn't just call 911 to begin with.
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I write books. My latest is a YA science fiction novel called Homeland (it's the sequel to Little Brother). More books: Rapture of the Nerds (a novel, with Charlie Stross); With a Little Help (short stories); and The Great Big Beautiful Tomorrow (novella and nonfic). I speak all over the place and I tweet and tumble, too.