Kraft unveils vending machine that scans people's faces to estimate age (Daily Mail - UK)
Medbox biometrically controlled system provides prescription medicine dispensing (Deleted broken link)
The Kraft example uses biometrics to discern demographic information. The Medbox example uses biometrics to confirm a unique identity.
Discerning demographic information doesn't require the user to have had any prior interaction with the biometric platform. Confirming a unique identity requires the user to enroll their biometrics in a database for later comparison and confirmation.
