Eileen Fenton â" Portico Why worry about digital preservation? E-resources can and do disappear! (about 13% of linked content in articles canât be found in 27 months, obsolescence due to format/ devices, loss â" NASA lost the original moon landing recordings, funding, orphans) Digital preservation is NOT: reformatting from print to digital for access (digitization doesnât result in preservation â" creates digital object that can be preserved)/ back-up or byte storage on various media/ mirror site