Is Your Voice Sharing a Threat to Your Business?

Some experts reckon big voice could be worth 20 billion dollars within a few years. That means charting the tone and pitch of their voices in order to profile their emotional states. Emanuel vanson is a voice recognition expert at the inria data science institute in france. And anna melisovic has her doubts about its mercial value. But she says even though you have given consent, it's perfectly legal.