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1. Hund (hund@linuxrocks.online)'s status on Saturday, 13-Jul-2019 18:03:39 EDT Hund

   "Facebook is embedding tracking data inside the photos you download"

   https://reddit.com/r/privacy/comments/ccndcq/facebook_is_embedding_tracking_data_inside_the/

   #Facebook #Privacy

   1. Tomas SA2TMS (tomas@social.umeahackerspace.se)'s status on Sunday, 14-Jul-2019 11:56:31 EDT Tomas SA2TMS

      in reply to
      @hund Facebook continues the war on its own users..
      They don't even have to add any special headers for this. No doubt they have the hashes of every media file stored somewhere. It's enough to twiddle the quantization of a few DCT coefficients to get a unique file for every user