Here are some key biometric applications: - Access control: Biometrics are widely used to control physical access to buildings, computer networks, and other secured areas. Fingerprint, facial, iris, and hand geometry biometrics are common for access control. - Border control: Many countries use biometrics like fingerprints in border control systems to identify travelers and check against watchlists. Facial recognition is also increasingly used in airports and at borders. - Law enforcement: Law enforcement agencies use biometrics for applications like booking and identifying criminals. Fingerprints are a primary biometric used by police departments and the FBI's criminal databases. Facial recognition is also being adopted. - Benefits verification: Some governments and organizations use biome