<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Dynabook" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Dynabook</a><p>A tablet computer with a real keyboard, programmable from the ground up, tailored to children but usable by adults.<p>That is, the bicycle for the mind that Apple keeps talking about but never building since the Apple ][.