Ultrasonic Tracking: Are our phones really listening to us?
Twenty Thousand Hertz
How to Opt Out of Ultrasonic Tracking
The ultrasonic message we embedded at the top of this episode will win a t-shirt. We don't really know what data ultrasonic tracking companies are collecting or what they're doing with it. 75% of Android apps have some kind of tracker, whether it's ultrasonic, Bluetooth, Wi-Fi, or GPS. What we need is stronger transparency from the industry and greater awareness from consumers.
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