Biometric technology is poised to expand significantly in U.S. airports this year, streamlining processes at security, customs, immigration, and boarding, according to industry reports. This technology allows passengers to potentially keep their physical documents stored away.

The anticipated increase includes the deployment of more e-gates, physical barriers equipped with facial recognition, to verify travelers' identities and authorization to enter the United States, particularly during international flight boarding. These advancements, however, are raising concerns among privacy experts and immigration activists regarding data security and potential misuse.

Several airports are piloting advanced technologies that could see wider implementation in the coming year. Orlando International Airport, for example, is currently testing a biometric corridor, a designated area where multiple cameras simultaneously identify numerous travelers in motion. This system aims to expedite passenger flow and reduce wait times.

A growing number of airlines, including Alaska Airlines and American Airlines, are collaborating with the Transportation Security Administration (TSA) to implement "Touchless ID," a facial-recognition-powered system that allows travelers to pass through security checkpoints without presenting physical identification. This initiative is designed to enhance efficiency and reduce physical contact between passengers and TSA agents.

The core technology behind these systems relies on facial recognition algorithms that analyze and compare facial features against stored images from passports, driver's licenses, or other forms of identification. The TSA maintains that the technology improves security and reduces the risk of human error in identity verification. However, critics argue that the widespread collection and storage of biometric data create potential vulnerabilities to hacking and misuse.

"The convenience of these systems comes at a cost," said Sarah Goodman, a privacy advocate with the Electronic Frontier Foundation. "We need to carefully consider the implications of collecting and storing sensitive biometric data on such a large scale."

The implementation of biometric technology in airports is part of a broader trend toward automation and data-driven security measures in the travel industry. The TSA has been investing in facial recognition technology for several years, citing its potential to improve security and efficiency. The agency plans to expand the use of facial recognition technology at airports nationwide in the coming years.

The next phase of development may involve integrating biometric data with other travel-related information, such as flight itineraries and baggage tracking, to create a more seamless and personalized travel experience. However, this also raises further questions about data privacy and security.