Try searching AGI or "strong AI", which is a new movement trying to achieve general AI rather than application specific. I have got a good article on that: http://www.cybertechnews.org/?p=689
How many successful Internet entrepreneurs do you know? Okay, now how many successful AGI projects do you know? That tells you something about the relative difficulty here.
Basic research in the midst of scientific chaos is HARD.
He believes innovation and paradigm shifts supplement the plateauing of S-curves.