4. Directed identity – a unique, irrevocable, omnidirectional identifier is being used when a simple unidirectional identifier (eg lunch ticket or library card) would more than adequately do the job. It's irrelevant how much schools have invested in such systems or how convenient school administra...
A group of computer scientists at the University of Washington has developed a way to make electronic messages “self destruct” after a certain period of time, like messages in sand lost to the surf. The researchers said they think the new software, called Vanish, which requires encrypting mes...