“I’m Bob Karson with ‘The Discovery Files’ – new advances in science and engineering from the National Science Foundation.
“Getting data onto the Internet is one thing; the real trick may be getting rid of the data. I mean when you write an extremely sensitive e-mail or chat message, you really have no idea where that information could turn up may be even years later.
“University of Washington researchers have developed a system for making things like web-based e-mails, Facebook posts and other sensitive data have a true expiration date. To make the data ‘disappear’ from the face of the earth – never to be retrieved by anyone …”