No electronic or digital communication of any kind is to be construed as a ‘writing’ for purposes of amending or modifying our Terms of Use or the rights and obligations of the parties hereunder. The illegality, unenforceability or invalidity of any provision is severable and shall not affect or impair the rest of our Terms of Use. No waiver of any breach of any provision of these Terms of Use shall constitute a waiver of any prior, concurrent, or subsequent breach of the same or any other provisions hereof, and no waiver shall be effective unless made in writing and signed by an authorized representative of the waiving party.