or (3) to respond to any feedback. By transmitting any feedback to Vorwerk, you further represent and warrant that such feedback does not infringe or violate the intellectual property or proprietary rights of any third-party (including, without limitation, copyright, trademark, privacy, personality or other personal or proprietary right) and that you have all rights necessary to convey such feedback to Vorwerk. In addition, any feedback received by Vorwerk will be deemed to include from you a perpetual, non-exclusive, irrevocable, transferable, royalty-free right and license for Vorwerk to adopt, use, copy, print, display, reproduce, modify, publish, post, disseminate, transmit, distribute, create derivative works, and display (in whole or in part) worldwide, or act on such feedback without additional approval or consideration, in any form, media, or technology now known or later developed for the full term of any rights that may exist in such information, material, or content, and you hereby waive any claim to the contrary.</p> 19 Final Provisions <p> <b>19.1</b> If any provision of these Terms of Use is held to be unenforceable for any reason, such provision shall be severed from these Terms of Use, and the parties will replace the invalid provision with a valid provision which comes closest to the economic purpose of the invalid provision.