Ultrasonic Tracking
“Did you know your phone is a really good listener? Apps on your phone might be sending and receiving data over ultrasound. Ultrasonic communication is used for everything from tracking your daily habits to enabling light shows at music festivals. We hear from Yale Privacy Lab&#x27;s Sean O’Brien and Michael Kwet, and privacy and technology counsel Katie McInnis. We also discuss the more positive uses of data over sound with LISNR CEO and co-founder Rodney Williams.”<p>This is from the site 20k.org It wouldn’t let me post the link for some reason... It’s a 22min audio episode. It’s a dope technology but could be used in malicious &amp; unauthorized ways<p>20k org &#x2F; episodes &#x2F; ultrasonictracking<p>Just add the period and mind the gaps<p>edit: wording