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. Een kosten voor voorbereiding mogen variëren met €100 tot €300 euro, http://italianculture.net/redir.php?url=https://nl.wikipedia.org/wiki/Kwaliteit