Digital preservation is the set of processes and activities that ensures long-term, sustained storage of, access to and interpretation of digital information.
Digital Curation is the selection, preservation, maintenance, collection and archiving of digital assets. Digital Preservation is a set of activities required to make sure digital objects can be located, rendered, used and understood in the future
Format Obsolecence and Media Playback Obsolecence
All digital formats and storage media are not forever.