Biometric Data-Gathering Sets Off a Privacy Debate - NYTimes.com

An emerging identity crisis?

"No longer the province of security services and science-fiction films, biometric technology is on the march. Facebook uses facial-recognition software so its members can automatically put name tags on friends when they upload their photos. Apple uses voice recognition to power Siri. Some theme parks take digital fingerprints to help recognize season pass holders. Now some hospitals and school districts are using palm vein pattern recognition to identify and efficiently manage their patients or students — in effect, turning your palm into an E-ZPass.
But consumer advocates say that enterprises are increasingly employing biometric data to improve convenience — and that members of the public are paying for that convenience with their privacy."

Biometric Data-Gathering Sets Off a Privacy Debate - NYTimes.com