While the cloud was the business story, the education story was happening in bedrooms and classrooms. The Raspberry Pi, originally a 32-bit educational board, released the Raspberry Pi 3 in 2016, capable of 64-bit computing.
Meanwhile, a British company called ARM was quietly conquering the mobile world. Their architecture was different: Reduced Instruction Set Computing (RISC). It prioritized power efficiency over raw performance. If you held a smartphone in 2005, you were holding an ARM chip, but nobody imagined these chips could run a "real" server operating system. ubuntu arm64