As fans begin to trickle into Citi Field in New York City, home of the Mets, a room behind center field is already on full alert, monitoring for potential risks that could affect fans, players, employees and property.

We live in a world in which the concepts of privacy, security and convenience are often in opposition to each other.

Surveillance cameras installed in the front of the classroom would record students’ attentiveness and facial expressions. Behaviors are analyzed in six categories: reading, writing, listening, standing, hand-raising and napping.

The Met’s system produced 104 alerts, of which only two were later confirmed to be positive matches. The force says it does not consider the inaccurate matches “false positives” because alerts were checked a second time after they occurred.  

Consumers feel more comfortable with fingerprint scanning than with other types of biometric technology, including face, eye, voice and other biometric measurements, according to a survey from the Center for Identity at The University of Texas at Austin.

The global market for city surveillance equipment surpassed $3 billion in 2017, and it’s expected to grow at an average annual rate of 14.6 percent from 2016 to 2021, according to a report from IHS Markit.

The Tokyo 2020 Olympics and Paralympics will employ facial recognition technology for the entry of athletes, officials and journalists into game venues.

A new poll by Morning Consult shows many Americans are wary of using products that employ facial recognition technologies.