To provide our games, websites and interest-based advertising, we use ad identifiers, cookies and similar technologies. This section describes our use of these technologies and how you can manage your preferences.</p> <p>​</p> <p><strong>How do ad identifiers, cookies, and similar technologies work?</strong></p> <p>Ad identifiers are non-permanent identifiers such as the Android advertising ID and/or Apple’s ID for advertising (the ‘IDFA’), which are uniquely associated with your device. Similar technologies include tracking pixels within ads.