PrivacyMic looks to keep your home smart without Google, Alexa, Siri and pals listening in

Raspberry Pi-powered prototype proves 95% accurate, 100% private, claim boffins
Researchers at the University of Michigan have proposed a way to have your privacy cake and eat your home automation too. They've found a means of using a voice-activated smart speaker system without it having to listen to everything you say – and no, it's not 'pressing a button.'…