Re:Facebook Requires Social Fixer Browser Extension to Remov...
by RexRollman on Sunday October 06, 2013 @03:46PM
(#6505190)
I don't use Adblock (I am a NoScript man) but I never knew that! Thanks for the info.
https://adblockplus.org/en/acceptable-ads
Tl;dr: Google pays Adblock Plus to mark Google ads "acceptable". Google ads are whitelisted from adblocking.