March 26 My work is supported by members. If you find my work valuable and have the means, consider supporting it with a membership or sponsorship! This members-only article has been made publicly available. You can see more of my work at alexanderobenauer.com. The last chapter of Bootstrapping Computing is all about user environments. One of the more unique user environments mentioned is found on the Canon Cat, an obscure machine that didn’t last long on the market, but took some specific philo...