CNN) -- Given the privacy concerns swirling around much of our digital activity these days, the idea of handing over one's fingerprints to Apple via its new iPhone 5S has some people nervous.
The phone, which goes on sale September 20, will feature a fingerprint sensor in its Home button for added security. Users must "register" their print with the device, after which they can unlock the phone by placing a finger or thumb on the button. The idea is that fingerprints, being unique to each person, augment users' passcodes to offer an additional safeguard against hackers or thieves.==================
food for thought....2 numbers(one arbitrary for fingerprint or later quantum generated key) and device id.