Geek Trivia: What Common Electronic Device Was Once Remote Controlled By Ultrasound? | CIT Daily

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CIT Daily How-To Geek HowToGeek IFTTT Tech Geek Trivia: What Common Electronic Device Was Once Remote Controlled By Ultrasound?

Geek Trivia: What Common Electronic Device Was Once Remote Controlled By Ultrasound?

What Common Electronic Device Was Once Remote Controlled By Ultrasound?

Turntables
Garage Door Openers
Hi-Fi Stereos
Televisions

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from How-To Geek http://bit.ly/2IUATOa
via IFTTT

Oyetoke Toby

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