Another advantage is that neuronal nets in most cases allow for fairly strainforward incorporation of additional information (side channels, lower layers). If this is combinaed with the algorithm learning is does allow fairly general integrative capabilities.
The paper.
Discusses the technical aspects of one of Googles AI projects. According to a pcworld the system "apes human memory and programming skills" (this article seems pretty solid, also contains link to the paper).
The abstract:
(First post here, feedback on the appropriateness of the post appreciated)