A memory gap is any mechanism for the deliberate alteration or disappearance of inconvenient or embarrassing documents, photographs, transcripts or other data, reminiscent of from a website or other archive, significantly as a part of an attempt to give the impression that one thing never happened. The idea was first popularized by George Orwell's 1949 dystopian novel Nineteen Eighty-4, where the Occasion's Ministry of Fact systematically re-created all potentially embarrassing historic paperwork, in effect, re-writing all of historical past to match the usually-altering state propaganda. These adjustments were complete and undetectable. In the partitions of the cubicle there have been three orifices. To the precise of the speakwrite, a small pneumatic tube for written messages, to the left, a larger one for newspapers