On Wednesday I debated my ex-co-blogger Eliezer Yudkowsky at a private Jane Street Capital event (crude audio here, from 4:45; better video here [as of July 14]).
I “won” in the sense of gaining more audience votes — the vote was 45-40 (him to me) before, and 32-33 after the debate. That makes me two for two, after my similar “win” over Bryan Caplan (42-10 before, 25-20 after). This probably says little about me, however, since contrarians usually “win” such debates.
Our topic was: Compared to the farming and industrial revolutions, intelligence explosion first-movers will quickly control a much larger fraction of their new world. He was pro, I was con. We also debated this subject here on Overcoming Bias from June to December 2008. Let me now try to summarize my current position.
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It thus seems quite unlikely that one AI team could find an architectural innovation powerful enough to let it go from tiny to taking over the world within a few weeks.
Hanson has made a lot of comments recently about how intellligence is poorly defined and how we don't really know what it is - e.g. 77:30 and 83:00 minutes in. I think we do now have a pretty good idea about that - thanks to the Hutter/Legg work on universal intelligence. If Hanson was more familiar with this sort of material, I rather doubt he would say the kinds of things he is currently saying.