The use and collection of information by third-party advertising service providers are governed by the relevant third party's Privacy Notice and are not covered by our Privacy Notice. If you would like more information about the information collection practices of a particular service provider, or if you would like more information on how to opt out of a service provider's information collection practices, go to www.aboutads.info. You can opt out of the use of cookies by DoubleClick, one of our service providers, by visiting http://www.google.com/intl/en/policies/privacy. Additionally, many of our advertising service providers are members of the Network Advertising Initiative (""NAI""). You can obtain more information about these advertising service providers' information collection practices, and opt out of such practices (and at the same time opt out of the collection practices of other, or all, NAI members) by following the opt out instructions on the NAI's website at http://www.networkadvertising.org/managing/opt_out.asp.If you would like more information on how to opt out of information collection practices, go to www.aboutads.info. 