1. Android voice recognition. http://www.popsci.com/new-android-can-recognize-your-voice. Android voice recognition. http://www.popsci.com/new-android-can-recognize-your-voice.
2. Google smart lock. https://get.google.com/smartlock/. Google smart lock. https://get.google.com/smartlock/.
3. Hsbc offers voice biometric. http://www.bbc.com/news/business-35609833. Hsbc offers voice biometric. http://www.bbc.com/news/business-35609833.
4. Mobile voice biometric security. http://voicevault.com/hsbc-embraces-mobile-voice-biometric-security-technology/. Mobile voice biometric security. http://voicevault.com/hsbc-embraces-mobile-voice-biometric-security-technology/.
5. Saypay technologies. http://saypaytechnologies.com/. Saypay technologies. http://saypaytechnologies.com/.