They may also use other technologies (such as cookies, JavaScript, device identifiers, location data, and clear gifs, see above) to compile information about your browser’s or device’s visits and usage patterns on the Service and on other websites, and to measure the effectiveness of their ads and to personalize the advertising content delivered to you. </p> <p>For example, Google uses DART cookies in order to deliver ads to you through the Service. Google's use of the DART cookie enables it and its partners to serve ads to you based on your visit to the Service and previous websites that you may have visited. Other advertising networks also use similar cookies, clear gifs, or other mechanisms to deliver targeted advertising to you through the Service.