From BBC News
Facial recognition marks the end of anonymity
Researchers at Carnegie Mellon University in Pittsburgh have developed different forms of facial recognition technology to highlight the positives and negatives of a world without anonymity.
Alessandro Acquisti, an associate professor of information technology and public policy [and 2003 Ph.D. alumnus of the School of Information], created an experimental smart phone application that is capable of snapping a photograph of a stranger's face in order to produce that individual's social security number.
The technology matches photographs taken with smart phones with those on Facebook....
(The newscast also includes comments from I School doctoral student Jen King.)