For access control, suitable modalities are still fingerprints, vein pattern, iris and facial recognition. Fingerprints is the most employed modality and there are numerous options on the market as from the point of software as hardware sensors. There are solutions for the real-time identification of visitors that based mostly on the facial recognition and sometimes on iris. It is also possible to find multi-biometric products for access control.
Apple, Microsoft, Visa, MasterCard - if you search news you will find these and other known names in connection with word Biometrics. It looks like that biometrics becomes part of our life and I believe that it will be the next big thing for the security and video surveillance.