In the event that the Provider believes in its sole discretion that any Subscriber name, account name, or email address (collectively, an “identifier”) on the Service may be used for, or is being used for, any misleading, fraudulent, or other improper or illegal purpose, the Provider (i) reserves the right to block access to and prevent the use of any such identifier and (ii) may at any time require any subscriber to change his or her identifier. In addition, the Provider may at any time reserve any identifiers on the Service for the Provider’s own purposes.