"A digital dumping ground lies inside most computers, a wasteland where old, rarely used and unneeded files pile up. Such data can deplete precious storage space, bog down the system’s efficiency and sap its energy…
Johns Hopkins University computer scientists Ragib Hasan and Randal Burns have suggested familiar “green” solutions to the digital waste data problems: reduce, reuse, recycle, recover and dispose.
“In everyday life, ‘waste’ is something we don’t need or don’t want or can’t use anymore, so we look for ways to re-use it, recycle it or get rid of it,” said Hasan, an adjunct assistant professor of computer science. “We decided to apply the same concepts to the waste data that builds up inside of our computers and storage devices.”"
Johns Hopkins University. Full article here.