Dear ANS,

Ofcourse they can control the ads.
Read this and you will know. Trust me they know wht they are doing. I also comment on there Facebook. And later they remove my comment and also they change the ads by google but left it in other tabs.

http://adwords.google.com/support/aw/bin/static.py?hl=en&page=guide_toc.cs&path=policy&rd=1