One day we will do away with passwords altogether and the world will be a better place. The Windows 10 “Hello” is a leap into that kind of world with the kind of biometric logins we see in sci-fi movies that open doors and computers. Windows 10 Hello will see you coming if you choose to use facial recognition and ask you if you want to login. I look forward to the day when the dozens of websites I log into each week will recognise my face. Here is a look at Windows 10 biometric authentication – using your face, fingerprint or iris.