CmdrTaco from the read-it-before-its-to-la dept.
Buggernut writes "A startup high-tech firm called Disappearing Inc. has created a system that
does just that. It encrypts each e-mail message, lets the sender set the key's life
span at anywhere from a few seconds to years, then turns the message back to
gibberish once the key self-destructs.
If it happens once, it's a bug. If it happens twice, it's a feature.
If it happens more than twice, it's a design philosophy.