Context is difficult but maybe if you can't establish an easy context, you don't run ads from major buyers. Another option is separating classes of customers i

Context is difficult but maybe if you can't establish an easy context, you don't run ads from major buyers. Another option is separating classes of customers into major buyers like AT&T and everyone else -- AT&T's ads only go onto curated and high reputation channels. AT&T and other advertisers frankly seem to have not understood the risk of a site which plays their ads on videos that anyone in the world can upload. Or, they have tolerated or controlled the risk up until now and ads + terrorist videos have become a big enough news story that Google has been made into the fall guy.