SXSW 2018: A Look Back at the 1960s PLATO Computing System - IEEE Spectrum https://spectrum.ieee.org/tech-talk/tech-history/silicon-revolution/sxsw-2018-a-look-back-at-the-1960s-plato-computing-system
SXSW 2018: A Look Back at the 1960s PLATO Computing System - IEEE Spectrum https://spectrum.ieee.org/tech-talk/tech-history/silicon-revolution/sxsw-2018-a-look-back-at-the-1960s-plato-computing-system