You could also buy 32KB RAM for a ZX81 - but it felt a little out of reach. It was expensive, unusual, non-standard. The thing is, 16GB RAM will soon be ordina

You could also buy 32KB RAM for a ZX81 - but it felt a little out of reach. It was expensive, unusual, non-standard. The thing is, 16GB RAM will soon be ordinary. Every PC will have it. What things become possible that are unthinkable today? Maybe multiple virtualized OSes could become standard.