"From the E-book on your reader to the mp3s on your iPod to your musings on Facebook and Twitter - who owns the bits of data that make up your digital life? In this segment, Ira talks with technology columnist Randall Stross about the concept of "ownership" in the digital domain." From http://www.sciencefriday.com/program/archives/200907312
Guests include the UW dept. chair who developed Vanish, with their own explanation. Good stuff.