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Eavesdropping smartphones: Fact or fiction?
Many swear phones secretly listen in through their built-in microphones. We investigate the claims — and offer other explanations for spookily precise mobile ads.
2 articles
Many swear phones secretly listen in through their built-in microphones. We investigate the claims — and offer other explanations for spookily precise mobile ads.
We explain how ultrasound and audio recordings hidden in background noise can be used to control voice assistants.