This is weeks, er, months old. Official announcement (from March): http://googleblog.blogspot.com/2011/03/hide-sites-to-find-more-of-what-you.html http://googl

This is weeks, er, months old. Official announcement (from March): http://googleblog.blogspot.com/2011/03/hide-sites-to-find-more-of-what-you.html http://googleblog.blogspot.com/2011/03/hide-sites-to-find-mo... There has been previous discussion on HN as well: http://news.ycombinator.com/item?id=2310310 http://news.ycombinator.com/item?id=2310310 and discussion of the Chrome extension that led to it: http://news.ycombinator.com/item?id=2218382 http://news.ycombinator.com/item?id=2218382