https://en.wikipedia.org/wiki/Dynabook https://en.wikipedia.org/wiki/Dynabook A tablet computer with a real keyboard, programmable from the ground up, tailored

https://en.wikipedia.org/wiki/Dynabook https://en.wikipedia.org/wiki/Dynabook A tablet computer with a real keyboard, programmable from the ground up, tailored to children but usable by adults. That is, the bicycle for the mind that Apple keeps talking about but never building since the Apple ][.