There appears to be a lot of scifi fans on the site so I thought some might be interested in this. CBC "Ideas" has a podcast from an interview with Ray Kurzweil. I just listened to it while walking the dog and found it very interesting. It's an MP3 so you don't need an iPod.
It starts out with some of his history and projections but the second half gets into his "Age of Singularity" theory.