Biometric technology uses computerised methods to identify a person by their unique physical or behavioural characteristics.
Developments and uses have increased with demand to match concerns over international, business and personal security.
Biometrics is more personal than a passport photo or Pin, using traits such as fingerprints, face or eye "maps" as key identifying features.
Uses range from building access and laptop security to identity cards and passports.
However, there are concerns about the storing of biometric data and its possible misuse.
Developments and uses have increased with demand to match concerns over international, business and personal security.
Biometrics is more personal than a passport photo or Pin, using traits such as fingerprints, face or eye "maps" as key identifying features.
Uses range from building access and laptop security to identity cards and passports.
However, there are concerns about the storing of biometric data and its possible misuse.
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