getting started with facebook for journalists
Face Ads Privacy Setting
Facebook would like your help to sell products and services to your friends. Recommendations that come from someone you know are more interesting and more effective than almost any other type of advertising.
You provide Facebook with information about yourself, your activities, your networks. Facebook can match these up with products and services that you use and transform this information into an ad campaign targeted specifically at your friends.
Here's a more readable image about Facebook ads.
Needless to say that as a journalist you want no part in Facebook's advertising program. Below is the recommended setting.