A look back at PLATO, an educational computer system released in 1960 that some consider a precursor to graphics, touchscreens, messaging apps, games, and more (Cameron Kaiser/Ars Technica)

Cameron Kaiser / Ars Technica:
A look back at PLATO, an educational computer system released in 1960 that some consider a precursor to graphics, touchscreens, messaging apps, games, and more  —  Forums, instant messaging, and multipla…

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