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I 've heard thag Facebook uses microphones in smartpones to correlate users with TV or billboard ads. They use ultra or infrasound to broadcast information to n
by calaphos 7y ago
I 've heard thag Facebook uses microphones in smartpones to correlate users with TV or billboard ads. They use ultra or infrasound to broadcast information to nearby phone microphones so Facebook (or others) now that you watched the add
- ljlolel 7y agoSome apps do this: https://www.nytimes.com/2017/12/28/business/media/alphonso-app-tracking.html?_r=1 https://www.nytimes.com/2017/12/28/business/media/alphonso-a... https://techcrunch.com/2018/01/02/some-apps-were-listening-to-you-through-the-smartphones-mic-says-report/ https://techcrunch.com/2018/01/02/some-apps-were-listening-t...