Millions of people around the world are finding each other and connecting on Facebook. As the site has gained popularity, privacy concerns have become a major issue for many Facebook users. You can personalize the privacy setting for your profile. This gives you some control over who can see what on your Facebook account.
Log in to your Facebook account.
Click on "Account" located at the top-right part of the screen. Then click "Privacy Settings" from the drop-down menu.
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Click "View Settings" under the "Connecting on Facebook" heading.
Click the button to the right of "See your likes, activities and other connections." It is the last item on the list and the button is set to "Everyone" by default. Hide your likes from the public by choosing "Friends Only." You can also choose to have your likes visible to only specific friends or just yourself by choosing the "Customize" setting.