Excellent add-on! Rated 5 out of 5 stars
Checking outbound IP addresses which my firewall was reporting this morning, I discovered one of these, namely 220.127.116.11 belonged to Facebook. That perplexed me no end because I disabled my Facebook account three years ago. So how could they be tracking me?
After installing Facebook Disconnect, I went back to the site which was open at the time the outbound connections were being reported and sure enough, up popped the Facebook tracking blocker. So I'm really glad I installed this add-on now.
As a footnote to the previous review by PaulDieKrake who said that the Facebook tracking blocker should always appear, I disagree with that point of view. It would only cause confusion if it appeared even when no tracking data was being transmitted. It works just fine the way it is now IMHO.