title: How e-mail raises the spectre of a digital Dark Age.
authors.forename: Errol C
authors.initials: EC
authors.lastname: Friedberg
authors.forename: Herbert K
authors.initials: HK
authors.lastname: Hagler
authors.forename: Kevin J
authors.initials: KJ
authors.lastname: Land
mesh_terms: D001109:Archives; D003201:Computers; D003219:Confidentiality; D034742:Electronic Mail / Q000295:instrumentation* / Q000639:trends; D012984:Software