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Poster for Four Flies on Grey Velvet

Four Flies on Grey Velvet

4 mosche di velluto grigio

1971 · Film · 104 min

Directed by Dario Argento

HorrorMysteryThriller

Roberto, a drummer in a rock band, keeps receiving weird phone calls and being followed by a mysterious man. One night he manages to catch up with his persecutor and tries to get him to talk but in the ensuing struggle he accidentally stabs him. He runs away, but he understands his troubles have just begun when the following day he receives an envelope with photos of him killing the man. Someone is killing all his friends and trying to frame him for the murders.

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1 comment on Hacker News

  1. NeutraljaclazSep 5, 2022

    Yep, that was one of the latest uses, there was a classic movie by Dario Argento (1971):

    https://en.wikipedia.org/wiki/Four_Flies_on_Grey_Velvet

    that used the same theory/approach in the plot, it is called optography:

    https://en.wikipedia.org/wiki/Optography

    and its first use (in a movie) was 1936.

    https://en.wikipedia.org/wiki/Optography#Optography_in_fiction