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The original was posted on /r/todayilearned by /u/No_Profit_5304 on 2025-10-06 01:08:52+00:00.

Original Title: TIL that during the Cold War, a technique called “Zersetzung” (German for “decomposition”) was employed to undermine stability of dissidents, and included things like moving furniture and rearranging personal items in people’s homes or offices to make them question their memory and sanity