I have the honour of having met Douglas Engelbart, as well as attending a keynote he gave at a Hypertext conference. He struck me as such a gentle and wise man, and the disappointment palpable in his keynote that we, as a species, had not progressed further in augmenting the human intellect haunts me still.

Many years later, I noted in a hypertext conference presentation of my own that I thought the future would be cooler. But here we are.