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  1. Sep 5

    For those interested in what is about and what he does, he recently did a TedX talk about his expertise

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  2. Aug 31

    My best friend has gone missing in Bodø, Norway. Friends, colleagues and family are very, very worried. Please share <3

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  3. Sep 6
  4. Sep 2
  5. Sep 3

    Update ; Arjen’s disappearance is all over the International news. We have spoken to press extensively. , and others did a good job covering the story. We don’t have any updates to share right now. If anything changes I post it here first. Thank you all

  6. Sep 6

    "For journalists who do real journalism, someone like is indispensable" - Gerard Janssen

  7. Sep 5

    "I am very worried and fear the worst. (..) conclude that something terrible has happened and that is a cruel feeling. At the same time, we hope for the best and that Arjen will be found alive." - to PAYWALL:

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  8. Sep 3

    Hi everyone, small update about ; The Norwegian police is working hard on the case now. We are keeping all options open, and hoping he will soon be found🤞

  9. Sep 6

    Vikeså in Rogaland County is south west Norway and is consistent with him being seen further north, (Ålesund), and consistent with someone on holiday having recently bought a kajak.

  10. Sep 4

    Once an avid hiker who happens to be an expert on goes missing you get these murky spies lurking all over your headlines in order to spread your . Ever given a thought on how Arjen’s friends and family feel? You disgust me Sputnik news.

  11. Sep 4

    Wherever you are we will find you brother. We leave no man behind.

  12. Sep 6

    I’m being asked a lot by journalists for pictures of Arjen and me together. I am not so keen to share private snaps, but here’s one of the interviews I did with him on voting computer security (in Dutch)

  13. Sep 4

    Local police have formally asked Kripos, (national "murder police"/feds), to assist. Kripos already has people in Bodø, where he was last seen. Clear positive indication that this is being taken very seriously.

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  14. Sep 6
    Replying to

    My best guess, he missed his plane, went along the E39 in Norway, sold his phone for cash in Vikesa, and is on the way home through Denmark and Germany. I would search in Hamburg- Cuxhaven - Wilhelmshaven area.

  15. Sep 6

    Dutch missing 's phone switched on briefly on aug 30th near Vikeså, south Norway. He's possibly been seen near Ribe, Denmark sept 3rd. Please help , follow for updates. thank you!

  16. Aug 31

    hey ~ one of our global tech family is missing & lost in Norway! Please help find Arjen cc - Amateur radio Norway friends please look in your local area. 47 year old missing.

  17. Aug 31

    I have to go to sleep now. Up for three days already... Thank you all so much for your help and retweets and search continues tomorrow.

  18. Sep 2

    Arjen's TEDx talk earlier this year: Defend yourself in this digital world. No one else will do it for you.

  19. Sep 1

    Would you be able to help us out? We need someone with a drone/good camera in your area Bodø. Please help us out and send mail or reply via

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