The document discusses biometrics for recognition. It outlines that traditional security methods like passwords can be forgotten or stolen. Biometrics refers to automatic identification of a person using physiological or behavioral characteristics. It then discusses various biometric techniques like fingerprint, facial, hand, iris, and retinal recognition. Behavioral biometrics include voice, signature, and keystroke recognition. Applications of biometrics include security for ATMs, phones, computers and networks as well as uses like criminal identification and electronic commerce.