> Retina Scans? Yes Please! Just Not for Passwords or PINs

Cue the Mission Impossible theme: Europeans (especially the French) really like the idea of biometrics – ultraviolet fingerprint authentication, vein topography scans and the like – when it comes to slipping into secure corridors and preventing international criminals from moving across borders. But when it comes time to use them for ho-hum applications like password replacement? Not so much...