This Hollow Earth
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Japanese camping toilet etiquette, Build your own EO company, beef and boef
October 14, 2026
I wrote an essay: Knowledge bases and why they never work Enjoy. Let me know what you think. An evening stroll I was walking my dog the other day when we ran...
GTM, Landscape Risk, LinkedIn and my dog
October 7, 2026
A wonderful edition again this time. There is GTM and parking lots. I'm back on LinkedIn, apple juice and environmental landscape risk. Enjoy. An evening...
Brett Victor, Jevons, Bloem, Polanyi, Moravec, Decisions and Regrets
October 2, 2026
Since 2015, I have been intimidated, envious and inspired by Brett Victors bookshelf. I have a list of books to buy called "Brett Victor" and I have always...
Environmental Supply Chain Risk Radar, parrots, mother and Mugabe
September 27, 2026
Nobody: "Arjen, you need to add more visuals." Me: "Okay" how it started I deployed v0.1 of my Environmental Supply Chain Risk Radar, a quarterly decision...
Test 34
September 17, 2026
Super Humans and Super AI I had an issue with my buttondown newsletter. I wrote to support. Got an automated reply telling me they got my mail, they are...
Test 33
September 10, 2026
Launch time. Technology, Human Systems, Environment. I soft launched the new version of thishollow.earth today. New theme, new content, new streams, same me....
Test 32
September 2, 2026
Conference time. Two conferences, serendipity, long form essays, the future. I didn't go to a lot of conferences the past few years. Let alone speak at...
Test 31
July 29, 2026
I have notes, so many. I have raw notes. I have useless notes. I have notes about notes. I have too many notes. And there is no time. But there is time! The...
Test 30
March 27, 2026
Nothing is important stahlhartes Gehäuse Last time I mentioned Webers https://en.wikipedia.org/wiki/Iron_cage and I do have to apologise. Sorry. I should...
Test 29
March 13, 2026
Today, I wrote nothing. ¯(°_o)/¯ The asymetric nature of change: * Humans change slow * The machine changes fast "The machine" as systems of power (politics,...
Test 28
February 11, 2026
Scanning the surface. A preview edition. More to come. Always. There's always more to come. And always later. Interesting stuff 1 I got an email from one of...
Test 27
December 18, 2025
Short one. Gary doesn't like Yann AI flame war, Gary Marcus puts Yann Lecun's fame in perspective. An evening stroll I was walking my dog the other day when...
Test 26
December 3, 2025
This one is about reading. And about life. La condition humaine. And a bit about AI and IT. And also a bit about the EO adoption cycle-curve-graph. An...
Test 25
November 7, 2025
Why not have another edition of This Hollow Earth? Here's some random ramblings and thoughts that circled my brain while doing the dishes. get rid of your...
Test 24
August 27, 2025
We're back. "Arjen, what happened to your newsletter?" Well, this happened. And this. And now we're back. Let's pick it back up slow and easy kids. Science,...