Plan9: exploring a radically different operating system and UI design, running it on a Raspberry Pi: https://thedorkweb.substack.com/p/a-week-with-plan-9
miniblog.
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I find it really interesting how some areas of tech are widely expected to improve radically (e.g. LLMs and smart home tech), others gradually (CPU speed, battery capacity) and others very slowly (e.g. compiler optimisations).
Predicting the future is hard.
Different emoji fonts can radically affect interpretation: https://grouplens.org/blog/investigating-the-potential-for-miscommunication-using-emoji/ (similar problems exist for ASCII smileys)
Modern x86-64 CPUs chips have become radically more complex than the original x86 designs: http://t.co/D7V9IarSug fascinating article