How to block irrelevant or unwanted Adsense ads

One of the ways to improve your Adsense ad’s CTR (click-through rate) is by serving only relevant ads. With Adsense this is achieved via the process of elimination i.e. by removing irrelevant ads. As smart as Adsense in placing ads based on the content of your blog, they’re not foolproof because some words do have different meanings. Take for example my post on top commentators widget. It