Below is a list, which we may update from time to time, of ad technology providers that have been authorized through Google’s Ad Manager tool to collect or access data related to you to support the delivery of ads, the measurement of ad performance, ad personalization, and other functions as further described in the section of our Privacy Policy describing our Online Advertising practices. These ad technology providers have been certified by Google and, as part of that certification, have agreed to comply with Google’s data usage policy. Further details of each authorized ad technology provider’s privacy practices (including what data they collect, how they use that data, and controls available to you) may be accessed via their privacy policies as set out below: