.. or to make Google make smarted decisions on content spams and content farms. It gives you a personalized list of blocked websites, to clean up your search results in Google. Google will use this information collected from a large group of people to make their results better.
highlights from the Chrome Blog
You can download the extension and start blocking sites now. It looks like this:
When you block a site with the extension, you wonâ€™t see results from that domain again in your Google search results. You can always revoke a blocked site at the bottom of the search results, so it’s easy to undo blocks:
You can also edit your list of blocked sites by clicking on the extension’s icon in the top right of the Chrome window.
So, are you installing this extension ? Do you mind sending some info on content farms to Google to help them make search results better ?