These Terms are subject to occasional revision, and if we make any substantial changes, we may notify you by sending you an e-mail to the last e-mail address you provided to us and/or by prominently posting notice of the changes on our Site. You are responsible for providing us with your most current e-mail address. In the event that the last e-mail address that you have provided us is not valid our dispatch of the e-mail containing such notice will nonetheless constitute effective notice of the changes described in the notice. Any changes to these Terms will be effective upon the earliest of thirty (30) calendar days following our dispatch of an e-mail notice to you or thirty (30) calendar days following our posting of notice of the changes on our Site. These changes will be effective immediately for new users of our Site. Continued use of our Site following notice of such changes shall indicate your acknowledgement of such changes and agreement to be bound by the terms and conditions of such changes. Dispute Resolution. Please read this Arbitration Agreement carefully. It is part of your contract with Company and affects your rights. It contains procedures for MANDATORY BINDING ARBITRATION AND A CLASS ACTION WAIVER.