Debian - the wellknown Linux distribution - did the same on the last stable version just recently released, Wheezy - http://www.debian.org/releases/stable/
Even if I use some ads and tracking blockers, too (when there are animated banners, or sound, or to protect my privacy), IMHO it should be only the user who decides to put them, not the OS supplier, because it has an incidence on the web sites and numeric economy...
Debian - the wellknown Linux distribution - did the same on the last stable version just recently released, Wheezy - http://www.debian.org/releases/stable/
The addon Adblock Plus is installed and enabled by default on the Iceweasel (ie Firefox) browser, with EasyList filter activated :
http://i.imgur.com/g0pMEaX.png - http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=693160
Even if I use some ads and tracking blockers, too (when there are animated banners, or sound, or to protect my privacy), IMHO it should be only the user who decides to put them, not the OS supplier, because it has an incidence on the web sites and numeric economy...