How do you define privacy? Is it about what you tell your Mom or your co-workers? Online, is it a matter of adjusting your Facebook settings?Maintaining privacy on and off line can actually be incredibly difficult. But apparently it is work all of us are more than willing to do. Sociology Professor Christena Nippert-Eng tells us more about maintaining privacy. Her most recent book Islands of Privacy explores how we feel about privacy, individually and collectively.

Related: How We Maintain Privacy in a More Public World