This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Danny Lewis: Hey, Future of Everything listeners. Today's episode is all about ...

Maybe your signature looks genuine. But what about the whorls on your fingertips; will they also vouch for you? You've heard of "biometric" ID systems that scan your fingerprint or other physical ...

From Disney World to the smartphone in your pocket, fingerprint scanners have become commonplace these days. Even budget phones sport the tech, sometimes alongside other biometric unlocking options ...