Is your personal information really private online? Legal expert explains

Facebook is making changes to its privacy policy as of Jan. 1, so we thought we'd look into online privacy from a legal standpoint. Prof. Jane Kirtley, director of the U of MN Silha Center for the Study of Media Ethics and the Law, spoke with Dick Dec. 5 about what information  Facebook and other companies can legally collect and use. Bottom line? Buyer beware.