The Awesome Chrome Extension That Blocked Sites You Hated Is Now an Official Google Feature

Google just announced that the previous Chrome extension that let you block terrible sites from popping up in your Google Search results will now be a real, official feature of the Google. Awesome! The feature is expected to roll out today and tomorrow for those using Chrome 9+, IE8+ and Firefox 3.5+. What sites will you toss out? [Google Blog]