rajivatre - 3:16 pm on Feb 19, 2012 (gmt 0)
I agree with few members here who said that it is not necessory and not possible to check whether the said advertiser is also advertising on adwords.
We have a "Do it Yourself" advertising module on our site where we accept All the advertisement from all companies / individuals who completes the form and make payment online and abide with our guidelines.
I have seen many sites who run their own ad network along with google adnsese.
Ofcourse if you ask google they may not agree.