Mobile phone users sorely mistaken about how much privacy they have

Christopher Hoofnagle, Jennifer Urban, and Su Li’s report cited in Ars Technica, July 12, 2012

A new study from the Berkeley Center for Law and Technology asked 1,200 households several straightforward questions about what level of privacy they think they have when using a cell phone, and what information is and is not OK for companies to track and store. The majority thinks they have far more privacy than they do, and are unequivocally opposed to some of the most common forms of data collection.
This story also appeared in Boing Boing.