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I've always wanted some cool way to log into Windows like inserting a designated USB or voice recognition. For example there's Blink (pictured bellow) which uses facial recognition to log into your PC.
What alternative ways are there to log into your PC?
It's fun that all those systems try to use biometrics (which is an identification trait)—or other things that identify but not authenticate you—as an authentication token. Cf. Schneier: »Biometrics are unique identifiers, but they are not secrets«. As for me, I didn't even install the driver for the fingerprint reader ;-) – Joey – 2010-05-10T14:13:01.403