Activate This 'Bracelet of Silence,' and Alexa Can't Eavesdrop

Microphones and cameras lurk everywhere. You may want to slip on some privacy armor. The bracelet will jam an Echo or any other microphone in the vicinity from listening in on the wearer's conversations. Credit... Petra Ford for The New York Times Last year, Ben Zhao decided to buy an Alexa-enabled Echo speaker for his Chicago home.

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Source: Activate This 'Bracelet of Silence,…