Biometric technology is used to verify and authenticate the identity of an individual on the basis of physiological or behavioral characteristics. Its widespread use has raised concerns over issues related to the privacy and liberty of an individual, although the technology is being developed and deployed to protect people and society from security threats such as terrorist attacks, fraud, and identity loss. This chapter reflects on the biometric systems of identification and public concerns related to the use of biometric technology at a mass level in the United States. It also discusses the political ideology and societal acceptance of biometric technology. Furthermore, the author presents an overview of the themes discussed in the subsequent chapters of the book.
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