Reply to post: Actually, it works just fine.

Apps that 'listen in' to your mobile get slapped by US watchdog

Anonymous Coward
Anonymous Coward

Actually, it works just fine.

In case you haven't noticed, this sort of technology works just fine on pretty much every android phone. Google Chromecast uses ultrasound channel to verify whether a guest user is in the same room or not, and it works rather reliably.


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