> Someone with an ad to show doesn't send the ad to the web site that wants to show the ad In fact, they do. Creative review is part of most ad platforms. Cont

> Someone with an ad to show doesn't send the ad to the web site that wants to show the ad In fact, they do. Creative review is part of most ad platforms. Contextual categorization isn't possible without knowing what the ad is about (and the content it's going to), to various degree.