New Technology to Make Digital Data Self-Destruct

New Technology to Make Digital Data Self-Destruct
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 messages, will be needed more and more as personal and business information is stored not on personal computers, but on centralised machines, or servers