Ultrasonic to a phone or Alexa/Siri/etc, connect to an unsecured network, send data to a neighbor’s smart TV which is connected to Internet, Bluetooth or other to a phone
That would add a ludicrous amount of cost to the device in both material cost and R&D. It’s so incredibly unlikely that any company would make that investment just to spy on the conversations of ordinary citizens when there are far cheaper and easier ways for them to build and sell advertising profiles.
There’s a dozen ways they could jump the air gap.
Ultrasonic to a phone or Alexa/Siri/etc, connect to an unsecured network, send data to a neighbor’s smart TV which is connected to Internet, Bluetooth or other to a phone
That would add a ludicrous amount of cost to the device in both material cost and R&D. It’s so incredibly unlikely that any company would make that investment just to spy on the conversations of ordinary citizens when there are far cheaper and easier ways for them to build and sell advertising profiles.
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