By Contrast, when you click on a Microsoft-provided ad that appears on DuckDuckGo, Microsoft Advertising does not associate your ad-click behavior with a user profile. It also does not store or share that information other than for accounting purposes. Wat kan zijn dit verschil tussen een dubbelzijdige tape en ons http://ezproxy.cityu.edu.hk/login?url=https://nl.wikipedia.org/wiki/Kwaliteit