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A New Book on the 2,000-Year History of GPS Tracking

Youareheremaster

Bret Brownell at Mother Jones highlights some of the key moments from You Are Here: From the Compass to GPS, the History and Future of How We Find Ourselves, a new book on the history of GPS tracking by Hiawatha Bray.

Boston Globe technology writer Hiawatha Bray recalls the moment that inspired him to write his new book, You Are Here: From the Compass to GPS, the History and Future of How We Find Ourselves. “I got a phone around 2003 or so,” he says. “And when you turned the phone on—it was a Verizon dumb phone, it wasn’t anything fancy—it said ‘GPS’. And I said, ‘GPS? There’s GPS in my phone?'” He asked around and discovered that yes, there was GPS in his phone, due to a 1994 FCC ruling. At the time, cellphone usage was increasing rapidly, but 911 and other emergency responders could only accurately track the location of land line callers. So the FCC decided that cellphone providers like Verizon must be able to give emergency responders a more accurate location of cellphone users calling 911. After discovering this, “It hit me,” Bray says. “We were about to enter a world in which…everybody had a cellphone, and that would also mean that we would know where everybody was. Somebody ought to write about that!”

So he began researching transformative events that lead to our new ability to navigate (almost) anywhere. In addition, he discovered the military-led GPS and government-led mapping technologies that helped create new digital industries. The result of his curiosity is You Are Here, an entertaining, detailed history of how we evolved from primitive navigation tools to our current state of instant digital mapping—and, of course, governments’ subsequent ability to track us. The book was finished prior to the recent disappearance of Malaysia Airlines flight 370, but Bray says gaps in navigation and communication like that are now “few and far between.”

Compass Ladel 0

1st century: The Chinese begin writing about mysterious ladles made of lodestone. The ladle handles always point south when used during future-telling rituals. In the following centuries, lodestone’s magnetic abilities lead to the development of the first compasses.

PtolemyWorldMap 0

2nd Century: Ptolemy’s Geography is published and sets the standard for maps that use latitude and longitude.

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