For those in the back: Niklas Luhmann did not invent the Zettelkasten.
If this is something you have a penchant to forget there are bumper stickers now.

White bumper sticker with a cartoon image of Luhmann  with text that reads "Niklas Luhmann did not invent the zettelkasten"
 
Or if you need a mug for drinking your coffee as you process your permanent notes…
 
White coffee mug with cartoon image of Niklas Luhmann staring at the viewer
 

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Chris Aldrich

I'm a biomedical and electrical engineer with interests in information theory, complexity, evolution, genetics, signal processing, IndieWeb, theoretical mathematics, and big history. I'm also a talent manager-producer-publisher in the entertainment industry with expertise in representation, distribution, finance, production, content delivery, and new media.

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