Wow, I remember playing on the PLATO at U of I when I was a kid. This article calls it a "mainframe", but my perception was that it was smaller than that. I'd

Wow, I remember playing on the PLATO at U of I when I was a kid. This article calls it a "mainframe", but my perception was that it was smaller than that. I'd always thought PLATO was primary an educational computing experiment. Good to know that people got other technology out of it too.