Performance, analytics and research Cookies help us research and measure the effectiveness of our interactive online features, content, advertisements, and other communications. We also use cookies to track our website and application analytics and use. Performance-gauging cookies we may use reveal how you use our websites and applications, such as which content is the most popular, how much time users are spending there, and what advertising is relevant to you. These cookies help us provide an optimized experience (and we may engage third parties to carry out this analysis, and they may set their own "third party" cookies).