Compatible cartridges
HP 63 and HP 63 XL (US)
HP 302 and HP 302 XL (Europe)
HP 803 and HP 803 XL (Asia)
So they just use HP inkjet technology. That makes it less open-source, but even "open source" parts are going to be under non-commercial license (CC BY-NC-SA) anyway.
Yes, he was an idiot, but that doesn't contradict that he was smart. In his own words, from The Dilbert Principle book:
"People are idiots.
Including me. Everyone is an idiot, not just the people with low SAT scores. The only differences among us is that we're idiots about different things at different times. No matter how smart you are, you spend much of your day being an idiot. That's the central premise of this scholarly work. I proudly include myself in the idiot category. Idiocy in the modern age
isn't an all-encompassing, twenty-four-hour situation for most people. It's a condition that everybody slips into many times a day. Life is just too complicated to be smart all the time."
"Starting December 29, 2025, the ability to create new posts, comments, and other content will be available to users who make a more significant contribution to the platform"
The initial idea was to first sell 50% of the land and then sell the other 50%. [1] Thanks to corner crossing, the checkerboard pattern made sure that owners of the first batch wouldn't be cut off from their access by buyers of the second batch.
[1] From TFA: "This checkerboard pattern allowed the government to keep all the undeveloped sections in between and wait for them to go up in value before turning around and selling them to developers".
So they just use HP inkjet technology. That makes it less open-source, but even "open source" parts are going to be under non-commercial license (CC BY-NC-SA) anyway.