Changes will usually occur because of new features being added to the Service, changes in the law or where we need to clarify our position on something.</p> <p> <strong>19.3.</strong> We will try, where possible and reasonable, to contact you to let you know about any significant changes to any of the documents referred to in these Terms of Service. We may contact you through the Service (for example by asking you to accept the changes before you continue to use the Service) or via a separate email.</p> <p> <strong>19.4.</strong>