So then it's still at the early adopter stage. (An analogous point to just before Napster 0.1) When eBook readers (or whatever grows out of their technology) become as mainstream as iPods, we will have reached the point I'm thinking about. Tablet computing will finally have arrived. (Alan Kay's "Dynabook.")

Technology seeps into the culture only after decades and lots of false starts. (Alan Kay's "The Computer Revolution hasn't happened yet.")