Adsense competitive ad filter is terrible - The Adsense competitive ad filter is honestly a piece of crap product that Google should be ashamed of. It works like this: when adsense shows ads which are either competitive or irrelevant to your site (which happens all the time) you can put them into the Adsense competitive ad filter so Google will stop displaying them. Sounds good in principle, but in practice it is terrible. Firstly, the only way to input the URLs of the ads it to download a clumsy program called AdSense Preview Tool... read full review »