Re: David Brin's latest novel, and a TED talk
^You're missing the point. The singularity is about as certain as the rapture. In other words, it's not. There is no guarantee that technology will advance at an accelerated rate especially in all areas. You need to temper your optimism with some realism. Things don't always work out.
See my answer above
It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring. Carl Sagan