Yahoo!'s trademarks and trade dress may not be used in connection with any product or service that is not Yahoo!'s without express written permission, in any manner that is likely to cause confusion among customers, or in any manner that disparages or discredits Yahoo!. To the extent a name or logo does not appear on this list does not constitute a waiver of any and all intellectual property rights that Yahoo! Inc. or its subsidiaries has established in any of its product, feature, or service names or logos.