From that page, you can choose to remove incorrect categories or add new ones. Or, if you no longer want Google to associate interests and demographic categories with you, you can opt out of customized Google Display Network ads entirely.
From the Ads Preferences page, click "Opt out" on the left-side menu and click the blue "Opt out" button on the page that follows.
When you opt out, Google disables the cookie associated with your browser and extends your preference to third-party advertisers, too.
4. Log Out of Googe Accounts
While this isn't something you're able to do for every Google application, it does guarantee that Google isn't associating your activity with your account: Log out of your Google Account before you browse or search.
Here are some applications this will work for: Google Maps, Google search, YouTube and Google News. Do note that if you have not deleted your cookies, Google still could be tracking you even when you're logged out.
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