Google Search Now With Wiki Features
Google December 15th, 2008
Today, I suddenly saw a new feature of Google search. One can now promote a search result, comment on a search result or remove a search result. Take a look below :

I am sure this feature will help Google provide better and more personalized results !
Happy Googling !
Yeah, nice feature and I guess it will provide nice feedback to Google itself.
You may want to know another such tool in nice game format called Image Labeler, here
http://vinitsworld.blogspot.com/2008/11/googles-quality-improvement-methods.html