Thank you for the link, that was a wonderful essay. And you've just reminded me that I've had an old used copy of Clarke's "Profiles of the Future" (the apparen

Thank you for the link, that was a wonderful essay. And you've just reminded me that I've had an old used copy of Clarke's "Profiles of the Future" (the apparent source of this article) sitting on a shelf in the next room unread. Time to change that.