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Bray On Technology: Wifi Phones, Apple Cars, Home Batteries06:06

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The biggest wireless phone network in America. It's not AT&T. It's not Verizon. It's not even based on cell towers. It's wifi.


Hiawatha Bray, technology writer for the business section of The Boston Globe. He’s also author of the new book, “You Are Here: From the Compass to GPS, the History and Future of How We Find Ourselves.” He tweets @GlobeTechLab

This segment aired on February 19, 2015.

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