In the security field, which has seen a lot of interest since 9/11, biometrics (the ability to identify someone by some biologically unique method – fingerprint, retina scan, etc), has become some sort of holy grail for indentification and authentication. For example, IBM recently released a ThinkPad that has a fingerprint scanner built in. You can use it to get into your O/S without having to enter a password, and similar things like that. However, from the BBC, (via Bruce Schneier’s blog), comes this cautionary tale of what happens when people find out they need your fingerprint to start your car. Not sure my car would be worth that to me, personally.
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