Experts agree that a password killer is necessary to bolster Web site security. People’s fondness for easy-to-guess passwords severely weakened their effectiveness. Most vendors use the mobile phone for two-factor authentication. Biometrics is one possible answer, as long reliable and highly secure fingerprint scanners and voice and facial recognition technology can be developed. In time, the same means of authentication could be used with Google Glass, a digital watch or some other type of wearable computer. Forrester: “Passwords are unlikely to be entirely supplanted unless that single solution appears some day””]
Source: https://www.csoonline.com/article/2133826/smartphones-could-evolve-into-password-killers.html