A discussion about the technological singularity between Cory Doctorow and Ray Kurzweil. Doctorow is a bit of a skeptic, making this a good article which goes into some of the technical challenges in modeling human intelligence.

"Of all the reason that people get sucked into rewriting software, the one that drives me craziest goes like this: "Well, there are a bunch of versions out there, yes, but they all suck. So we decided to write our own. How hard can it be?""