Adsense is a program run by Google that has revolutionized the way advertisements are posted on websites. Rather than having an ad come up inconveniently and without any relation to the content the website being looked at contains, Adsense works so that advertisements come up when they are related to the content that is on a website. For example, if one were to search books on Google, you would see advertisements for businesses and products related to books. Adsense also chooses which ads to

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