We use them to improve how our site works, understand what interests our users, and measure content effectiveness.</p> <strong>Advertising</strong> Advertising Cookies are used to better understand your interests and show you ads from Ancestry and our third-party advertising partners that are more relevant to you. Advertising Cookies may be used to share data with advertisers (also referred to as online behavioral advertising) so that the ads you see are more relevant to you, including from our partners, and allow you to share certain pages with social networks. <p>