Alternative passwords

[O Joseph]

hi, could anyone please tell me where i can get useful information on the various types of alternative passwords that we have. by this i mean passwords that are completely different from the common text inputs. someone mentioned graphical passwords but i would like to know about others before making a decision. ty.

[Sameer Jamal]

You mean access control, latest is the use of Biometrics
-Fingerprint recognition
-Face recognition
-Ratina Recognition
-Voice Recognition

[Adam Richards]

Fingerprints, retinal scans?

[Frank Carver]

Signatures and other gesture inputs?