Sure, but they don't let you block dozens of sites and it's annoying to have see...

		jonknee on Jan 23, 2011 \| parent \| context \| favorite \| on: Google May Let Users Personally Blacklist Domains ... Sure, but they don't let you block dozens of sites and it's annoying to have see your queries cluttered up with -site:ehow.com. It's not just classical spam that I want to see blocked in my SERPs, but widely low quality content like eHow, Yahoo! Answers, Cha Cha, Mahalo, HubPages, Experts Exchange, Associated Content, Examiner, etc etc.