There are a number of advantages to biometric authentication. Unlike a password, you never forget what it is and unlike a smart card, you never leave it at home. Fingerprints are the traditional form of biometric identification but not the only one. Blink! is a program that uses facial recognition to log you onto Windows. It works with Vista and Windows 7 32 or 64 bit operating systems. For the user, it could hardly be easier: all you have to do is look into a web cam. Best of all, it’s free.
Check it out at
http://download.cnet.com/8301-2007_4-20012854-12.html?part=rss&subj=news&tag=2547-1_3-0-20