I was also pretty surprised when I saw that code. It is obviously there, that they know how many users they have, which browser and which settings they use. It

I was also pretty surprised when I saw that code. It is obviously there, that they know how many users they have, which browser and which settings they use. It is absolutely unacceptable to that without asking the user. It is also illegal in some countries. Adblock Plus doesn't do that, and even provides an optional filter list to block tracking on websites.