Comment Re:A Sensor to unlock with Fingerprint? (Score 2) 773
But for security purposes using it to unlock your phone or identify you to the device as the current user is pretty sweet
Sure, unless you're wearing gloves, or when you have wrinkled fingers from swiming or bathing, or you have grease on your fingers from eating, or you have a job where you have to wash your hands a lot (doctor, nurse, new parent, etc).