This Direct Mag article by Brian Quinton explains a bit about what Google is calling BigDaddy: BigDaddy Means Big Changes at Google which is yet another new Google indexing scheme to figure out. At Matt Cutts: Gadgets, Google, and SEO you will find an article called Feedback on BigDaddy data center
with lots of Q & A and information on how to give feedback on BigDaddy directly to Google.