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AlphaWeaver
on Nov 4, 2016
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“Ultrasonic cross-device tracking” embeds inaudibl...
On iOS there is a prominent red banner informing an app is listening if it is listening in the background.
AlphaSite
on Nov 4, 2016
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Also, if I'm not mistaken, only 1 app can listen at a time.
JonSchneider
on Nov 4, 2016
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On iOS multiple apps can listen at one time. On Android only one app can listen at a time.
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