Here's another generic article about the biometric industry, with a little emphasis about voice biometrics halfway through. In many instances, such as in call centers, voice recognition is ideal.
Not sure if this is the same card as talked about last time, or a competing prototype. This article contains a lot of information on why there would be companies betting on this technology. Want to charge it? You'll have to talk to your credit card.
The newest thing, VoIP, or Internet telephoning, may also suffer from the same vunerabilities as everything else Internet-y. Go fig.
So encryption, of course, is a consideration.
What about voice recognition? VoIP can be vulnerable to hackers, too.
Gizmodo tells the tale of a voice recognition credit card.
Get that prototype to loose some weight and it could be competing with the rest of the smart credit cards.
New software can recognize if a person is angry based on voice fluctuations.
I could understand how this would help if consumers are accessing an automated system that requires them to speak their choices instead of key them in, but where is the software that determines a person's mood based on how hard they jam their finger into the keys to make choices?