Hidden iOS6 Ad-Tracking settings

Does anyone know more about the hidden Ad-Tracking setting? General → About → Info → Advertisement To be sure, i just deactivated it! 😋

Content:

Ad Tracking

iOS 6 introduces the Advertising Identifier, a non-permanent, non-personal, device identifier, that apps will use to give you more control over advertisers’ ability to use tracking methods. If you choose to limit ad tracking, apps are not permitted to use the Advertising Identifier to serve you targeted ads. In the future all apps will be required to use the Advertising Identifier. However, until then you may still receive targeted ads.