Myth or not, the technology's been around for some years[1] [2], and there's a profit to be made from matching consumers and advertisers. One doesn't really nee

Myth or not, the technology's been around for some years[1] [2], and there's a profit to be made from matching consumers and advertisers. One doesn't really need to run voice analysis, just pick a keyword[3] every now and then. You add two and two. >would be a PR disaster for either company and cause legal action too. Didn't stop Sony [4], and didn't cost them all that much in money - on the order of $1MM - or reputation either. -- [1a] https://hackaday.com/2017/05/04/ultrasonic-tracking-beacons/ https://hackaday.com/2017/05/04/ultrasonic-tracking-beacons/ [1b] https://www.wired.com/2016/11/block-ultrasonic-signals-didnt-know-tracking/ https://www.wired.com/2016/11/block-ultrasonic-signals-didnt... [2] https://www.shazam.com/ https://www.shazam.com/ [3] https://www.youtube.com/watch?v=9QTzVoaua4s https://www.youtube.com/watch?v=9QTzVoaua4s [4] https://en.wikipedia.org/wiki/Sony_BMG_copy_protection_rootkit_scandal https://en.wikipedia.org/wiki/Sony_BMG_copy_protection_rootk...