Watchers

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  Jay Johansen

  https://tinyurl.gg/%EB%8B%A4%EC%96%91%ED%95%9C-%EA%B2%8C%EC%9E%84%EC%9D%84-%EC%A6%90%EA%B8%B8-%EC%88%98-%EC%9E%88%EB%8A%94-%EC%95%A0%EB%8B%88%ED%83%80%EC%9E%84-%EC%B9%B4%EC%A7%80%EB%85%B8/