More Google search algorithm changes announced from Google today. This time its about finding more high-quality sites from search results as the search engine war vs content farms continues. They also mention what roll the Google Chrome Personal Blocklist Chrome extension played in making changes to the search algorithm. Here's an excerpt from Google's official blog.
It’s worth noting that this update does not rely on the feedback we’ve received from the Personal Blocklist Chrome extension, which we launched last week. However, we did compare the Blocklist data we [...]