It used to be my main traffic search but today it's hard to even get indexed using the blackhat ways. First I thought it's their fucked up robot that can't find new domains anymore. But, as of today, I admit I may have been wrong!
Run some tests on top money keyphrases on the first 250 results to see if I find any new domains and shetter my theory. And I did. I found 1+ months domains so they are indexing new ones.
I would read (between the lines) this Interesting Comment from WebMaster Forums' Jeremiah and Interesting Post in their Webmaster Blog.
I think you will notice some interesting hints regarding link quality. At least initial link quality of a new site. Some will say this would allow one to hurt competition. If competition has a decent link profile, spam would just be discounted. But if they start their site with link spam … they're in for stormy seas!
The truth is I believe that, along with many blackhats whitehats fell dec4pitat3d too.
I'm currently running some tests against MSN and I'll keep you updated. If anyone has any story to share on this matter … the comment form is a little lower.