theyoking at who i call, could tell whether i am calling octopi wall street people, the tea party, an abortion clinic, an aids clinic, the same thing by looking at my location data. in a supreme court case last year, the supreme court decided your location is private information and police need to get a warrant before they put a gps tracking device on your car, for example. out, that that sort of location data, which nsa is collecting from our cell personal,n reveal sexual, professional, and other connections we have. it can tell whether we are aeting with our lover or competitor or employee or. it is all very sensitive in it -- information and should be protected. >> professor lori andrews, i know who you are in a solid he did is the name of the book area you tell the story about a kodak seemed in your book. what is that? >> so, this privacy issue is nothing new. say, privacye who is dead now that there are social networks. i found every technology back 125 years, people said the same thing. waskodak theme, in 1888, the first portable camera. before you had control of your image, you