The new pay phone and what it knows about you

Christopher Hoofnagle and Jennifer Urban cited in The New York Times, Bits, April 30, 2012

A new survey … suggests that most Americans are uneasy with the idea that their phones could divulge behavioral and personal information, like phone numbers and in-store browsing habits. The survey was created by Chris Hoofnagle and Jennifer Urban…. The Berkeley professors warned of the prospect that “social network services with payment systems could add transaction histories to their already rich databases of behavioral information.”