Privacy in the Time of Facebook

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Facebook executives are preparing for a ‘privacy summit’ to discuss the site’s controversial new default privacy settings (which do little to protect users’ privacy). But in a world of over-sharing online, does privacy even matter anymore? And have our notions of public and private changed so dramatically that we couldn’t reverse things if we wanted to?

Talk to someone sharing their information. Take part in our "TMI" experiment!

Jeff Jarvis is a journalism professor at the City University of New York and author of "What Would Google Do?" He walks us through the history of privacy, and how technology has changed our definitions of what it is over the years.

And Amber Case is a cyber-anthropologist and tech consultant. She explains how social networking sites have redefined privacy, identity, and the way we interact with others.