How does the PrivacyMark opt-out tool work?
The PrivacyMark opt-out tool allows you to set your ad preferences with over 100 different ad networks in one simple process. By storing your preferences as a bookmark, the PrivacyMark makes it easy to refresh and update them at any time with one click. We recommend that you do so every time you clear cookies from your browser. These “cookies” are small files written to your computer, which are used to signal to tracking networks that you have opted-out of sharing information about your activities across websites. Nearly all websites use Web cookies for useful things, like remembering your username from visit to visit. Since web pages consist of content served by many different companies, any or all of them may also serve cookies on your machine through that page. By recognizing your browser as you visit different sites, these companies collect information about your overall activities and interests. Although the PrivacyMark includes most tracking networks, many still do not offer opt-
