Users who have set their browser to “Do Not Track” will automatically be opt-ed out of conversion tracking. For more information about AdChoices and Do Not Track, go to Your Choices about Tracking and Data Collection. <strong>Targeted advertising:</strong> The Marketplace uses third-party vendors to engage in targeted advertising (also known as online behavioral or interest-based advertising) to provide information to consumers across their online activities. Targeted advertising involves the collection of data from a particular computer or device.